The information sphere is very large, and rather confusing. Each item of information has aspects of authenticity, accuracy, reliability, and bias. With all this to think about, we must be very careful about each question we ask. This issue is vital once we start an article search, and can easily mean the difference between 5 concise articles, and hundreds of general articles. The essence of research is the manner with which we approach the information sphere.
Research is an art, much like painting or photography.
The true mark of an artist, and the primary step wanna-be artists miss, is visualizing what you want, before you begin. It is the same with research. Sit down and visualize what a successful search would look like in this situation. Go through the whole gamut of different types of research tools and describe it. If you can phrase a question in a way that lends itself to your resource, you are far more likely to get the answers desired.