OCC's Search Everything tool lets you search nearly all library resources from a single search box. Use this tool if you're not sure where to start or are searching outside of your area of expertise. Once you do a search, notice all the ways you can improve your search using the options on the left side of the page.
Good for finding pro and con arguments on controversial subjects.
Your OCC databases are a better source for high-quality full-text information than Google Scholar. However, Scholar is easy to use and can provide a good overview of a topic.