Perhaps you should try some spelling variations:
genome based » gender based, home based
david young » david loundy
game based » home based, case based
young ages » young age
wing wang » ping wang, hong wang, wen wang
yan july » oman july, a july
may july » may june

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing wang ((yan july) OR (may july)) ((genome based) or (game based)) david young ages ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing wang ((yan july) OR (may july)) ((genome based) OR (game based)) david young ages ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing wang ((yan july) OR (may july)) ((genome based) or (game based)) david young ages ;".
• Adding a wildcard symbol may retrieve word variants: wing wang ((yan july) OR (may july)) ((genome based) or (game based)) david young ages ;*.