This is one of those plaguing problems that many people have. The best piece of advice that I give to them is to be creative and think outside of the box.

There are two great services to use to check out the best characters to push up for autocomplete. They are Ubersuggest.org and Reputation Management Cheetah's top 10 Autocomplete Tool.

Once you have the search terms that are going to be attacked go to one of these sites and type in the search term. At Ubersuggest you...