Search by keywords/small phrases and use Boolean searching. What's Boolean?
AND: "tech* writing" AND science
OR: writing OR rhetoric
Use "quotation marks" to search for phrases, "math education"
Use the limiting features like date and peer-reviewed journals.
Consider truncation. The symbol used is usually *.
tech* will retrieve: tech, technology, technical, technolingualism,etc.
Check Subject terms to see if there are any synonym terms to consider.
Google Scholar can be a useful tool when collecting research information. Settings can be updated to display:
Library Links - FindIt@Txstate
Bibliography Manager - EndNote (refers to Desktop EndNote)