Make Search Result More Relevant

[login to view URL] I need my website search result to be more relevant. Notice if you enter a phrase to search, the result will not search for the phrase, but just for individual words. Example, if you search for Cape Town you will get landscape, escape, downtown, etc... Let me know if you can make my search engine more relevant. Even with only one single word that you search, the result is very irrelevant. You can see the website at [login to view URL] Thank you.