The more specific your search is, the more helpful and informative your results will be. Books don't crash. Sometimes you won't be able to access the information you are looking for because the server it is stored on has gone kaput. A quick trip to the local library will often yield more accurate and reliable information. For example, let's say you're researching ancient Egypt for history class.
Some sites come up about old mummies.
There is just too much irresistible stuff out there. It happens to all of us. When you locate a word in the puzzle, click and drag in the puzzle from its first letter to its last letter. When that happens, try a subject directory. Essentially, subject directories are organized lists.