Sphinx incorrect search results, how can fight?

Question

PHP

Colleagues, tell me please, there are goods:
Shower cabin Radomir Paola 1 with hydromassage
...
... Acrylic bathtub Am.Pm
Bliss L 170x75 without hydromassage
without". It would be possible to exclude everything from the search index after the prepositions "not", "without", etc., but then the user will not be able to find "without hydromassage", and this is not correct. Please tell me how would someone decide.
I write in php, use sphinxapi
$s->setMatchMode(SPH_MATCH_ALL);
$s->SetRankingMode(SPH_RANK_SPH04);
$s->SetFieldWeights(array(
"NAME" => 90,
"SEARCHABLE_CONTENT" =>

Answer 1

Well, it is logical to filter without after searching in the sphinx on the php side