Perhaps you should try some spelling variations:
china france » china francise, china finance, china franchise
france a » france _
hra rene » dr rene
yang jin » yang jie, ying jin, shang jin
yang jun » pang jun, yang judy, yang fan
yang jui » yang judy, yang di, yang xi
tong hui » wang hui

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: china france a hra rene ((yang jin) OR (((yang jun) OR (yang jui)))) tong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "china france a hra rene ((yang jin) or (((yang jun) OR (yang jui)))) tong hui ;~".
• Adding a wildcard symbol may retrieve word variants: china france a hra rene ((yang jin) or (((yang jun) OR (yang jui)))) tong hui ;*.