Perhaps you should try some spelling variations:
kang wong » kang young
yuan kang » yuan wang, yuan chang, chan kang
dong nan » dong yang, dong sin, dong cao
dong bin » dong sin, dann bin
wong yue » wang yue, hong yu
dong di » dong sin
ya a » a a, y a, ye a
test » text, west, best

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong nan) or (((dong bin) or (dong di)))) ya a test yuan kang wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (((dong bin) OR (dong di)))) ya a test yuan kang wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((dong nan) or (((dong bin) or (dong di)))) ya a test yuan kang wong yue ;*.