There seems to be only one way for the Search engine to work.
Yes, and I wonder why they didn't allowed different combinations of key words to give same result? This way it can be frustrating. As WRMpls2, I had problem with this search engine puzzle just because I didn't type words in the same way as designers were thinking they should be typed. That make you think that you maybe got wrong street from map and that is not something you want to do over again.
BTW, I like game so far and story keeps you playing more.