Try searching using keywords related to your topic in a basic search.
Use the Add row button to include additional keywords. You can choose the connectors AND, OR, NOT to include, expand, or limit your search. You can also add a date range.
Use the drop down menu next to each search box to change the search query to topic, title, author, publication date, abstract, and more.
You can also build and structure your query using the advanced search option.