There will be times when you find that your search terms are yielding an overwhelming or irrelevant set of results, and other times when you're not getting nearly the number or types of items you thought would be written on your topic. There are different strategies you can employ to enhance and/or refine your searches in order to get closer to the types of sources you're looking for (and, hopefully, to a more manageable number of them). This takes time and practice, and is iterative in nature, so play around with your search terms and strategies, and don't forget to ask a librarian for help!
There are many ways to hack Google, in order to conduct more complex searches and focus your results. In the above example:
5729 Fogler Library · University of Maine · Orono, ME 04469-5729 ; (207) 581-1673