Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
yang july » yang judy, yang jui
zhang jin » zhang jian, zhang jing, shang jin
jin zhang » bin zhang, jia zhang, jie zhang
zhang dai » zhang fan, zhang wei, zhang yan
yang jun » yang jui, pang jun, yang jin
yang xi » yang yi, yang jui
wang » wing, wan, lang

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: wang yan ((((yang jun) OR (((yang xi) OR (yang di))))) OR (yang july)) china zhang jin zhang dai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((yang jun) or (((yang xi) or (yang di))))) or (yang july)) china zhang jin zhang dai ;*.