This is what keyword selection is all about. It is a fun science of seeing what keywords will work to get you the coveted high ranking that you desire by investigating keyword competition as well as keyword search volume. Again, the whole point is to be as conspicuous as possible , so that visitors shall visit your site. So what you want to do is to play with the search sites, and write down certain phrases. You need to see what sorts of rankings and internet sites those phrases and words pull up. You will get the hang of which keywords work for you. There are books and programs to help with this also.