Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang hua » wang hua, yang hui, ying hua
gene yan » gene bank, ren yan, see yan
wong sau » wong sam, wong siu, wong shiu
yang xi » yang di, yang yi, yang jui
ji wong » ji won, ji zhong, kie wong
yan ji » yan jiu, ban ji, pan ji
judy » july

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: wang yang ((yang hua) OR (((yang xi) OR (yang judy)))) gene yan ji wong sau ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yang hua) or (((yang xi) or (yang judy)))) gene yan ji wong sau ;*.