Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang yang » wang yan, wang liang, wang yanling
wong john » wrong john, kong john, longo john
john wong » john song, john bonn
wong laid » wong lai, kong land
tuan hua » tuan vu, yuan hui
tan hua » wang hua, tan chia, tan puay

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: wang yang ((((tan hua) OR (tuan china))) OR (tuan hua)) irene wong john wong laid ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((((tan hua) or (tuan china))) or (tuan hua)) irene wong john wong laid ;*.