Perhaps you should try some spelling variations:
gene yang » gene bank
zhong sau » wong sau, zhong tai
yan clan » das clan, yan guan, yan yuan
hua gene » human gene, a gene, hua ren
ji zhong » 2 zhong, wu zhong, yu zhong
yan tan » tan tan, yan guan, yan wang
yang ji » yang jui, yang jie, yang jin
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yan tan) or (yan clan)) hua gene yang ji zhong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan tan) OR (yan clan)) hua gene yang ji zhong sau ;*.