Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang wang » wang yang, wang liang, wang yong
china dan » china den, china data, china des
dan yang » daun yang, tan yang, wang yang
yang jui » yang judy, yang di, yang xi
jui wong » ji won, jui meng
wong sau » wong sam, wong siu, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang wang) or (wang yan)) tuan china dan yang jui wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang wang) OR (wang yan)) tuan china dan yang jui wong sau ;.
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yan)) tuan china dan yang jui wong sau ;*.