It is good practice to keep track of your searches, what worked for you, and what didn't. It'll save you a lot of time, and a lot of duplication of effort. Use this research log template to record all your searches and keep track of your research progress.
If you need additional help with your research for this class, please don't hesitate to contact me. We can set up a time to meet for an individual consultation, and work through all your research questions.