Here are some tips for creating an effective search string:
Web sources are a great resource when you are not limited to using academic sources in an assignment. They are useful in gaining timely, varied and free perspectives on your research topic.
Source: CRAAP test created by: Meriam Library, California State University, Chico. (2010). Evaluating information – A checklist. Retrieved from: https://flexiblelearning.auckland.ac.nz/philson/40.html