In [8]: adverts = Advert.objects.get_allowed_adverts().annotate(search=SearchVector('title', config=settings.FULL_TEXT_SEARCH_LANGUAGE)).filter(search=SearchQuery('ytutyu', config=settings.FULL_TEXT_SEARCH_LANGUAGE))

In [9]: adverts
Out[9]: <QuerySet [<Advert: ytutyu>, <Advert: ytutyu>]>

In [10]: adverts = Advert.objects.get_allowed_adverts().annotate(search=SearchVector('title', config=settings.FULL_TEXT_SEARCH_LANGUAGE)).filter(search=SearchQuery('ytuty', config=settings.FULL_TEXT_SEARCH_LANGUAGE))

In [11]: adverts
Out[11]: <QuerySet []>

In [12]: