Perhaps you should try some spelling variations:
wang shiyong » wang hyoung
yang yang » wang yang
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yan yan » yan yuan, nan yan, qian yan
yang ji » yang jui, yang jie, yang jin
won sau » wong sau, wong sam, wong siu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang ((((yan yan) or (wang yan))) or (((wang shiyong) or (yang yang)))) hua gene yang ji won sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yan yan) OR (wang yan))) OR (((wang shiyong) OR (yang yang)))) hua gene yang ji won sau ;.
• Adding a wildcard symbol may retrieve word variants: lang ((((yan yan) or (wang yan))) or (((wang shiyong) or (yang yang)))) hua gene yang ji won sau ;*.