Perhaps you should try some spelling variations:
xiaoping shi » xiaoling ji, xiaoping _
xiaoping how » mapping how, xiaoping _
china won » china women, china wang, china who
jie zhang » jia zhang, li zhang, bin zhang
zhang hai » zhang dai, shang hai, zhang han
won yang » wang yang, dong yang, dan yang
yang jie » yang jin, yang di, 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: wang ((xiaoping shi) OR (xiaoping how)) china won yang jie zhang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((xiaoping shi) or (xiaoping how)) china won yang jie zhang hai ;*.