Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping han » xiaoping how, xiaojing a, xiaoping _
china who » china why, china what
china won » china women, china wang, china why
wang jing » wang ning, wang liang, wang yang
jing dang » jing fang, jin kang, king dan

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 han ((china who) OR (china won)) wang jing dang (hai OR haji) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping han ((china who) OR (china won)) wang jing dang (hai or haji) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping han ((china who) OR (china won)) wang jing dang (hai or haji) ;*.