Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
heins john » weiss john, hawkins john, jenkins john
wang yang » wang yan, wang liang, wang yanling
china won » china women, china wang, china who
won heins » von heinz
john song » john wong, john bonn, john ngosong
song shiu » song shin, wong shiu, cong shu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((dong or doing) sin) or (wang yang)) tuan china won heins john song shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((dong OR doing) sin) OR (wang yang)) tuan china won heins john song shiu ;.
• Adding a wildcard symbol may retrieve word variants: (((dong or doing) sin) or (wang yang)) tuan china won heins john song shiu ;*.