Perhaps you should try some spelling variations:
zhejiang china » xinjiang china
tang zhejiang » tang zheng
leong tang » leung tang
china wang » china yang, china chang, china zhang
yang jun » yang jui, pang jun, yang jin
tong hui » wang hui
yang xi » yang yi, 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: leong tang zhejiang china wang ((yang jun) OR (((yang xi) OR (yang di)))) tong hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "leong tang zhejiang china wang ((yang jun) or (((yang xi) OR (yang di)))) tong hui ;~".
• Adding a wildcard symbol may retrieve word variants: leong tang zhejiang china wang ((yang jun) or (((yang xi) OR (yang di)))) tong hui ;*.