Perhaps you should try some spelling variations:
yang hua » wang hua, yang hui, ying hua
gene yan » gene bank, ren yan, see yan
wong sam » wong sau, wong lai, kong sar
yang xi » yang di, yang yi, yang jui
ji wong » ji won, ji zhong, kie wong
yan ji » yan jiu, ban ji, pan ji
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 hyoung ((yang hua) or (yang xi)) gene yan ji wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hyoung ((yang hua) OR (yang xi)) gene yan ji wong sam ;.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((yang hua) or (yang xi)) gene yan ji wong sam ;*.