Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping how » mapping how, xiaoping _, xiaoping shi
china wen » ching wen, china women, china wang
china won » china women, china wang, china who
chia wen » ching wen, asia wen, chia lan
wang jie » yang jie, tang jie, wang jing
jie dang » jie zhang, vie dans, bie dans

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