Search Term Rules is a destination created to help adjust your search from the word perspective. There are many options available here to help include additional search terms, change them on the go, ignore some words, as well as to exclude search terms.
Thesaurus will help you set up rules for synonyms(high similarity words) and antonyms(low similarity words).
Preprocessor will help you set up rules for replacing words or expressions with others.
Stop words are curated lists of words to be ignored.
Trash function helps you exclude(blacklist) results for a given search term.