Just before RankBrain, Google didn’t recognize synonyms and would return literal interpretations of a term. From Google: “…prior to we experienced Superior AI, our systems basically searched for matching words and phrases. By way of example, when you searched for “pziza” – Until there was a page with that https://riverubhze.bimmwiki.com/10084804/google_ranking_test_things_to_know_before_you_get_this