Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
zhang wei » zhen wei
gene well » gene we, mine well
well than » well train, well can, well what
wong shiu » cong shu, song shin, wong sau
yuan kai » yuan kang, yuan fei, tan kai
wei gene » e gene, i gene, iii gene
wong siu » kong siu, wong sau, wong siew

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 kai) OR (yuan chang)) zhang wei gene well than ((wong shiu) OR (wong siu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kai) or (yuan chang)) zhang wei gene well than ((wong shiu) OR (wong siu)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan kai) or (yuan chang)) zhang wei gene well than ((wong shiu) OR (wong siu)) ;*.