In Advance of RankBrain, Google didn’t comprehend synonyms and would return literal interpretations of a term. From Google: “…ahead of we experienced Innovative AI, our systems basically looked for matching text. One example is, when you searched for “pziza” – Except if there was a page with that individual https://gunnerryejo.ageeksblog.com/26396347/the-buzz-on-google-search-ranking