Perhaps you should try some spelling variations:
china yang » china ying, china wang, china chang
tuan china » wuhan china, can china, taiwan china
wang yong » wang hyoung, wang yan, wang shiyong
wang yang » wang yan, wang liang, wang yanling
yang gan » yang fan, yang guang, yang dean
li song » li cong, li rong, kim song

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 yong) OR (wang yang)) tuan china yang gan li song stay ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yong) or (wang yang)) tuan china yang gan li song stay ;*.