Suppose someone says to me "no one in this forum believes (dumb conspiracy theory from Obama-times)" or "the lamestream media never reported on X." Naturally I will do a few quick iterations of
conspiracy related "terms" site:someforum.com before:2017-01-01
which will trigger a humanity check if you iterate too quickly.
I got hit recently when the news about Tucker Carlson's racist writer came out. I set out to find the full threads in which the offending comments were made. Iterating through combinations of text, usernames, and urls like
"full text of offensive post" username before:date-news-broke -inurl:news