If you are doing more specialized or complicated research, try using Advanced Search.
Using Advanced Search will give you more search options, such as:
1. You can add in more concepts or keywords for more precise searching.
2. The default search is by keyword, but you can also choose Author/contributor, Title, Subject, ISBN, ISSN and Call number.
3. You can limit by publication date.
4. You can use the material type limiter to search by Articles, Audios, Books, Conference Proceedings, etc.