Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
tang wuhan » wang yuhan
china wang » china yang, china chang, china zhang
lung tang » leung tang, gung thang, lung can
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang xi, yang yi
wang hui » wang hua, wang zhi, wang wei

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: lung tang wuhan china wang ((yang jun) OR (((yang jui) OR (yang di)))) wang hui ;~.
• Adding a wildcard symbol may retrieve word variants: lung tang wuhan china wang ((yang jun) or (((yang jui) or (yang di)))) wang hui ;*.