Perhaps you should try some spelling variations:
xiaoping shi » xiaoling ji, xiaoping _
xiaoping how » mapping how, xiaoping _
china wen » chia wen, ching wen, china women
china won » china women, china wang, china who
jia zhang » jie zhang, jia zhangke, xiao zhang
zhang hai » zhang dai, shang hai, zhang han
yang jia » yang jie, yang jin, yang jing

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 wen) OR (china won)) yang jia zhang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((xiaoping shi) or (xiaoping how)) ((china wen) OR (china won)) yang jia zhang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((xiaoping shi) or (xiaoping how)) ((china wen) OR (china won)) yang jia zhang hai ;*.