Use ORs and parentheses to combine synonyms or multiple topics
Truncate roots of important words* to find plurals and more
*Truncation works differently in different databases. Check the help section of the database to learn what symbol to use and how to properly use it.
Scholarly articles:
Review the differences between scholarly and popular articles, see how scholarly articles are organized and review the process of peer-review:
Combine concepts with AND to find more relevant sources
Use "Double Quotes" to find exact phrases
Exclude irrelevant concepts with NOT