Perhaps you should try some spelling variations:
wang hong » wang yong, wang hyoung, wang lihong
yang hua » wang hua, yang hui, ying hua
gene yan » gene bank, ren yan, see yan
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
yang xi » yang di, yang yi, yang jui
yan ji » yan jiu, ban ji, pan ji

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

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