def search_full_text(self, qs):
        q = self.request.GET.get('q')
        if q:
            if settings.SEARCH_WITH_PHONE:
                vectors = SearchVector('title', config=settings.FULL_TEXT_SEARCH_LANGUAGE) + \
                          SearchVector('phone', config=settings.FULL_TEXT_SEARCH_LANGUAGE),
            else:
                vectors = SearchVector('title', config=settings.FULL_TEXT_SEARCH_LANGUAGE)
            qs = qs.annotate(search=vectors).filter(search=q)
        return qs