Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
zhang wei » zhen wei
gene well » gene we, mine well
well than » well train, well can, well what
wei gene » e gene, i gene, iii gene
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
tan kai » tan kah, yuan kai

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: ((tan kai) OR (yuan wang)) zhang wei gene well than ((wong sau) OR (wong siu)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((tan kai) or (yuan wang)) zhang wei gene well than ((wong sau) or (wong siu)) ;*.