Start Your Search, the search box in the middle of the Library home page, includes the contents of OskiCat (books, DVDs, maps, sound recordings, and much more) and many (but not all) library article databases. Go here for more information about what's included. You may limit to only one type of result (example: scholarly articles only). If you don't find what you're looking for, go here to find a complete list of library databases, or ask for help online.
Are there filters in the left sidebar that will help you narrow your search results? Click on the category ("language" "geography") to view the options.