this is search code example
Example 1: search
intext: or allintext:
allows you to only search in the text of a site,
as opposed to the title and URL,
which the search algorithm usually takes into consideration.
Example 2: search
“before:YYYY-MM-DD” and “after:YYYY-MM-DD”
articles about Google changes this year, "mashable google after:2019-01-01"