Many library databases have advanced search screens like this:
Boolean Searching Tips
Narrows your search
Ex. Halo AND language ideology
Broadens your search
Ex. teens OR adolescents OR “young adults”
“communities of practice” OR “community of practice”
Weeds out unhelpful stuff
Search an exact phrase
Find the words together in that order
Ex. "multiple personality disorder"
Can open search to all possible endings of a word
Ex. communic* for communicators, communicating, communication, etx.