Getting no results?  Try these tips:

When searching put in as much information as you have.  If you don't get a result try reducing your information.  If you have any non-matching information your search will not return any results. 

For example:

Let's say there is a "John Doe" with a Date of Birth of 02/02/1940 in our records. 

If you were to search for "John Doe" with a Date of Birth of 02/03/1940 you would get no results. 

If however you leave out the Date of Birth you will get results for "John Doe".