Keyword And Phrase Search Help The keyword and phrase search allows you to use words or phrases as search criteria for finding science master's programs. Both the science master's program title and description are searched for a match with the entered keyword or phrase. There are currently over 2000 science master's programs which are searched. The document search score reflects the number of hits which are found in the program's title and description. Note: Click on the Search Tips icon on the search page to discover different ways to format your search criteria for optimum results.