Of course, Google does a great job making search a lot easier, but you can change or add some symbols to your search entries to find more or less, depending what you want. For example, Google doesn’t use the AND operator (one of the logical operators that is still used in database search entries) but it’s aware of – (minus sign) to exclude terms (e.g. virus -software to exclude results about computer viruses). Read more tips at Google cheat sheet.