Once you have nailed down a topic, it's time to find keywords to use in your searches for articles and other materials. Here are some tips for mining keywords from your background searches.
For example, a CQ Researcher article on human trafficking contains info-graphics that are full of potential search terms, like modern slavery, forced labor, sex trafficking, bonded laborers, and many more. Looking at the bibliography, the first source is a book on the shlef at Logue Library. The link to WorldCat shows descriptive terms and a table of contents list. The book might be a good source itself, or might be a good lead to other sources or search ideas.
Use a format like this to organize your thoughts into concepts and list synonyms for the concepts.
Check them off your list as you go. If you find that you are repeatedly seeing the same search results, you might be inadvertently using the same search terms!
If you get stuck trying to find good synonyms for your concepts, try