ストップワードリストから「about」を削除してください

[Lilly]

Is "About" excluded from search?

Yes it is excluded, read all about postgresql - List of StopWords in Postgres 9.1 - Super User Current default English stopword list is: dev:/usr/share/postgresql/10/tsearch_data# cat english.stop i me my myself we our ours ourselves you your yours yourself yourselves he him his himself she her hers herself it its itself they them their theirs themselves what which who whom this that these those am is are was were be been being have has had having do does did doing a an the and but if or beca…