To find relevant articles and information in a database, you need to create a search to tell the system to find journal articles on your topic and identify keywords and form a search request.
Successful searching often needs Boolean Searching (Using AND and OR) and Truncation: e.g., asterisk (*).
DON'T PANIC at these terms, you probably know how to do this already. However, just to make sure everyone is aware of these tips, here are two tutorials to make sure.