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
wong shiu » cong shu, song shin, wong sau
wong siu » kong siu, wong sau, wong siew
wong sam » wong sau, wong lai, kong sar
li gene » i gene, l1 gene, iii gene

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: yuan wang yanling li gene hong than ((((wong shiu) OR (wong siu))) OR (wong sam)) ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang yanling li gene hong than ((((wong shiu) or (wong siu))) or (wong sam)) ;*.