Hi Connie. By now of course I hope that you’ve found what you were looking for, but since I just saw your question, and since I do a LOT of online research, I thought that I would at least add my answer here. My suggestion is a simple one, and probably seems very obvious – but here it is 🙂 Whenever I’m researching a specific topic, I start with a general search of the terms I’m looking for. If that does not result in the information that you need or are looking for, keep culling it down by using more and more specific search terms until you either find what you need or are getting zero results. If zero results, start going back UP your research chain and click on any promising looking links or articles that you find. These often lead to others that may be exactly what you need or are looking for.
I hope that this helps!