Perhaps you should try some spelling variations:
gender gene » gender gender, gender gedhe, gender ageing
gene gang » den gang, deng gang, gene bank
gang gong » gongs gong, gang sung, gong gang
gong saul » long haul, hong paul, wong sau
yang jie » yang jin, yang di, yang jui
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yang xi) or (yang jie)) a gender gene gang gong saul ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang xi) OR (yang jie)) a gender gene gang gong saul ;.
• Adding a wildcard symbol may retrieve word variants: wang ((yang xi) or (yang jie)) a gender gene gang gong saul ;*.