Perhaps you should try some spelling variations:
china kang » china wang, china yang, china chang
let china » yet china, next china, west china
done sin » done using, done so, done fix
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
a let » a left, _ let, a lot
ya a » a a, y a, ye a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((done sin) or (dong sin)) ya a let china kang ((((kong sar) or (wong siu))) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((done sin) OR (dong sin)) ya a let china kang ((((kong sar) OR (wong siu))) OR (wong sau)) ;.
• Adding a wildcard symbol may retrieve word variants: ((done sin) or (dong sin)) ya a let china kang ((((kong sar) or (wong siu))) or (wong sau)) ;*.