diff --git a/sigi/apps/casas/admin.py b/sigi/apps/casas/admin.py
index ff24599..0564a6d 100644
--- a/sigi/apps/casas/admin.py
+++ b/sigi/apps/casas/admin.py
@@ -8,8 +8,8 @@ from sigi.apps.convenios.models import Projeto, Convenio, EquipamentoPrevisto, A
 from django.http import HttpResponse, HttpResponseRedirect
 from sigi.apps.casas.reports import CasasLegislativasLabels, CasasLegislativasReport
 from geraldo.generators import PDFGenerator
-
 from sigi.apps.casas.views import casa_info, labels_report
+from sigi.apps.utils import queryset_ascii
 
 class ContatosInline(generic.GenericTabularInline):
     model = Contato
@@ -35,6 +35,7 @@ class CasaLegislativaAdmin(admin.ModelAdmin):
     list_display_links = ('nome',)
     list_filter = ('tipo', 'municipio')
     ordering = ('nome','municipio__uf')
+    queyrset = queryset_ascii
     fieldsets = (
         (None, {
             'fields': ('tipo', 'nome', 'telefone', 'cnpj',
@@ -49,7 +50,7 @@ class CasaLegislativaAdmin(admin.ModelAdmin):
         }),
     )
     raw_id_fields = ('municipio',)
-    search_fields = ('nome','cnpj', 'logradouro', 'bairro',
+    search_fields = ('search_text','cnpj', 'bairro', 'logradouro',
                      'cep', 'municipio__nome', 'municipio__uf__nome',
                      'municipio__codigo_ibge', 'pagina_web', 'observacoes')
 
diff --git a/sigi/apps/casas/models.py b/sigi/apps/casas/models.py
index 21b55b8..77f3d2f 100644
--- a/sigi/apps/casas/models.py
+++ b/sigi/apps/casas/models.py
@@ -3,6 +3,7 @@ from django.db import models
 from django.contrib.contenttypes import generic
 from sigi.apps.mesas.models import MesaDiretora, MembroMesaDiretora
 from sigi.apps.parlamentares.models import Parlamentar
+from sigi.apps.utils import SearchField
 
 class TipoCasaLegislativa(models.Model):
     sigla = models.CharField(
@@ -20,6 +21,7 @@ class CasaLegislativa(models.Model):
         max_length=60,
         help_text='Exemplo: <em>Câmara Municipal de Pains</em>.'
     )
+    search_text = SearchField(field_names=['nome'])
     tipo = models.ForeignKey(TipoCasaLegislativa, verbose_name="Tipo")
     cnpj = models.CharField('CNPJ', max_length=32, blank=True)
     observacoes = models.TextField(u'observações', blank=True)
diff --git a/sigi/apps/contatos/admin.py b/sigi/apps/contatos/admin.py
index 3dd46e7..8c2a670 100644
--- a/sigi/apps/contatos/admin.py
+++ b/sigi/apps/contatos/admin.py
@@ -2,19 +2,22 @@
 from django.contrib import admin
 from sigi.apps.contatos.models import (UnidadeFederativa, Municipio, Telefone,
                                        Contato)
+from sigi.apps.utils import queryset_ascii
 
 class UnidadeFederativaAdmin(admin.ModelAdmin):
     actions = None
     list_display = ('codigo_ibge', 'nome', 'sigla', 'regiao', 'populacao')
     list_display_links = ('codigo_ibge', 'nome')
     list_filter = ('regiao', 'populacao')
-    search_fields = ('codigo_ibge', 'nome', 'sigla', 'regiao')
+    search_fields = ('search_text', 'codigo_ibge',  'sigla', 'regiao')
+    queryset = queryset_ascii
 
 class MunicipioAdmin(admin.ModelAdmin):
     actions = None
     list_display = ('codigo_ibge', 'codigo_tse', 'nome', 'uf', 'is_capital', 'populacao', 'is_polo')
     list_display_links = ('codigo_ibge', 'codigo_tse', 'nome')
     list_filter = ('is_capital', 'is_polo', 'populacao', 'uf')
+    queryset = queryset_ascii
     fieldsets = (
         (None, {
             'fields': ('codigo_ibge', 'codigo_tse', 'codigo_mesorregiao',
@@ -25,8 +28,8 @@ class MunicipioAdmin(admin.ModelAdmin):
             'fields': ('latitude', 'longitude'),
         }),
     )
-    search_fields = ('codigo_ibge', 'codigo_tse', 'codigo_mesorregiao',
-                     'codigo_microrregiao', 'nome', 'uf__nome', 'uf__sigla')
+    search_fields = ('search_text', 'codigo_ibge', 'codigo_tse', 'codigo_mesorregiao',
+                     'codigo_microrregiao', 'uf__sigla')
 
 class TelefoneAdmin(admin.ModelAdmin):
     list_display = ('codigo_area', 'numero', 'tipo', 'nota')
diff --git a/sigi/apps/contatos/models.py b/sigi/apps/contatos/models.py
index 6c725b2..75c8191 100644
--- a/sigi/apps/contatos/models.py
+++ b/sigi/apps/contatos/models.py
@@ -2,6 +2,7 @@
 from django.db import models
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
+from sigi.apps.utils import SearchField
 
 class UnidadeFederativa(models.Model):
     REGIAO_CHOICES = (
@@ -18,6 +19,7 @@ class UnidadeFederativa(models.Model):
         help_text='Código do estado segundo IBGE.'
     )
     nome = models.CharField(max_length=25)
+    search_text = SearchField(field_names=['nome'])
     sigla = models.CharField(
         max_length=2,
         unique=True,
@@ -59,6 +61,7 @@ class Municipio(models.Model):
         help_text='Código do município segundo TSE.'
     )
     nome = models.CharField(max_length=50)
+    search_text = SearchField(field_names=['nome', 'uf'])
     uf = models.ForeignKey(UnidadeFederativa, verbose_name='UF')
     is_capital = models.BooleanField('capital')
     populacao = models.PositiveIntegerField(u'população')
diff --git a/sigi/apps/convenios/admin.py b/sigi/apps/convenios/admin.py
index bc0f87f..9b8bcdc 100644
--- a/sigi/apps/convenios/admin.py
+++ b/sigi/apps/convenios/admin.py
@@ -5,6 +5,7 @@ from sigi.apps.casas.models import CasaLegislativa
 from sigi.apps.servicos.models import Servico
 from django.http import HttpResponse, HttpResponseRedirect
 from sigi.apps.convenios.reports import ConvenioReport
+from sigi.apps.utils import queryset_ascii
 from geraldo.generators import PDFGenerator
 
 class AnexosInline(admin.TabularInline):
@@ -48,7 +49,8 @@ class ConvenioAdmin(admin.ModelAdmin):
     #date_hierarchy = 'data_adesao'
     ordering = ('casa_legislativa__municipio__uf','-id',)
     raw_id_fields = ('casa_legislativa',)
-    search_fields = ('id', 'casa_legislativa__nome',
+    queryset = queryset_ascii
+    search_fields = ('id', 'search_text',#'casa_legislativa__nome',
                      'num_processo_sf','num_convenio')
 
     def changelist_view(self, request, extra_context=None):
diff --git a/sigi/apps/convenios/models.py b/sigi/apps/convenios/models.py
index 8d92f29..2407483 100644
--- a/sigi/apps/convenios/models.py
+++ b/sigi/apps/convenios/models.py
@@ -3,6 +3,7 @@ from datetime import datetime
 from django.db import models
 #from django.contrib.contenttypes import ContentType
 from django.contrib.contenttypes import generic
+from sigi.apps.utils import SearchField
 
 class Projeto(models.Model):
     nome = models.CharField(max_length=50)
@@ -16,6 +17,7 @@ class Convenio(models.Model):
         'casas.CasaLegislativa',
         verbose_name='Casa Legislativa'
     )
+    search_text = SearchField(field_names=['casa_legislativa'])
     casa_legislativa.convenio_uf_filter = True
     casa_legislativa.convenio_cl_tipo_filter = True
     projeto = models.ForeignKey(