Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
china wang » china yang, china chang, china zhang
can wuhan » can when
lung can » hung cam
yang jun » yang jui, pang jun, yang jin
wang hui » wang hua, wang zhi, wang wei
yang yi » yang xi, yang jui

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