Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
tan ching » tan cheng, tuan china, ban chiang
ching wen » ching kwan, ching fein, ching hea
ying john » king john, young john, ying jin
john wong » john song, john bonn
wong shiu » wong siu, cong shu, song shin
dong tan » hong tan, dong nan, dong sin
wen ying » jin ying, en yin, fan ying

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: ((dong tan) OR (dong yang)) tan ching wen ying john wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong tan) or (dong yang)) tan ching wen ying john wong shiu ;*.