You probably have to use several search tools
Starter Searches: Good for reconnaissance searches to see what's out there or if you have a known citation.
Topic search starters
Known citation search starters
If you know the title of a book, article, or other item, start with "search the library."
Books, journal titles (not articles): select "catalogue only" box on the main library page. Or from results page, select "university of Alberta library" under the databases facet on the bottom-left side.