Perhaps you should try some spelling variations:
genre based » gender based, genome based, gesture based
gene based » gender based, genome based, geneva based
yang july » yang judy, yang jui, yang jun
aid young » david young, a young, kim young
young ghi » young choi, hong ghi, young get
yan yang » yang yang, yao yang, dan yang

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: (wan OR wing) yan yang july ((gene based) OR (genre based)) aid young ghi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wan or wing) yan yang july ((gene based) OR (genre based)) aid young ghi ;~".
• Adding a wildcard symbol may retrieve word variants: (wan or wing) yan yang july ((gene based) OR (genre based)) aid young ghi ;*.