Although the topic's unrelated to yours, the search strategies/concepts are extremely useful. Guaranteed to make you laugh and teach you valuable search skills.
LVC Library subscribes to over two hundred online databases. This guide will help you:
Know what to look for when selecting a database.
Learn how to identify search terms that will pull up what you need.
Although many databases look different at first, most have similar features. Understanding how to use them will improve the efficiency and effectiveness of your research.
There are plenty of things you can do when your search goes bad.
The 
link is your friend. Use it!