Perhaps you should try some spelling variations:
yuan kang » yuan wang, yuan chang, chan kang
kang wong » kang young
wing tan » liang tan, hong tan, tin tan
wing ian » twinn ian, wing sun
wong siu » wong shiu, kong siu, wong sau
dong di » dong sin
yang xi » yang di, yang yi, yang jui

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: ((((wing tan) OR (wing ian))) OR (dong di)) nan ((gan li) OR (yang xi)) yuan kang wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wing tan) or (wing ian))) or (dong di)) nan ((gan li) or (yang xi)) yuan kang wong siu ;*.