Perhaps you should try some spelling variations:
genome based » gender based, home based
david young » david loundy
game based » home based, case based
wing yang » wang yang, ying yang, wang yan
young men » young women
yang jie » yang jin, yang di, yang xi
yang jui » yang judy, yang di, yang xi

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wing yang ((yang jie) OR (yang jui)) ((genome based) OR (game based)) david young men ;~.
• Adding a wildcard symbol may retrieve word variants: wing yang ((yang jie) or (yang jui)) ((genome based) or (game based)) david young men ;*.