def split(self, *args, **kwargs):
    return [self]


class MultiWordSearchChangeList(ChangeList):
    """Changelist that allows searches to contain spaces"""

def get_query_set(self, request):
    self.query = UnsplitableUnicode(self.query)
return super(MultiWordSearchChangeList, self).get_query_set(request)


class FooAdmin(admin.ModelAdmin):
    pass
Поиск администратора django по нескольким словам