Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
gene hong » eng hong, gene one
hong than » hong tan, long thanh, hong hai
than hong » tan hong, thang long, than one
yang hua » yang hui, ying hua, yang jui
hong sau » wong sau, hong paul, kong sar
yang xi » yang di, yang yi, yang jui

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

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