Databases have controlled vocabularies and in order to find scholarly articles on your topic, you need to use the same vocabulary as the database. Look for a link to thesaurus, subject headings, etc. To save time searching, use the asterisk (*) to search all forms of the root of the word/phrase, as well as synonyms
Here are some keywords and phrases you could use:
Reminder: Use quotes when searching phrases (except in PubMed).
Use books to;
Use article databases to find:
Use websites to find: