Perhaps you should try some spelling variations:
when china » women china, wuhan china, han china
china wang » china yang, china chang, china zhang
lung can » hung cam
can when » can women, can we, can win
yang jun » yang jui, pang jun, yang jin
wang hui » wang zhi, wang wei, wang he
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 when china wang ((yang jun) OR (((yang yi) OR (yang di)))) ((wang hui) OR (wang hua)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lung can when china wang ((yang jun) or (((yang yi) or (yang di)))) ((wang hui) OR (wang hua)) ;~".
• Adding a wildcard symbol may retrieve word variants: lung can when china wang ((yang jun) or (((yang yi) or (yang di)))) ((wang hui) OR (wang hua)) ;*.