Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping hang » xiaotong zhang, xiaodong huang, xiaoping how
hang china » han china, change china, ghana china
china yin » china ying, china yang, china y
yin fang » yin hang, yin yang, chin fang
jie dang » jie zhang, bie dans, jie song
vie dans » vie des

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 hang china yin fang ((jie dang) OR (vie dans)) (hai OR hadi) ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping hang china yin fang ((jie dang) or (vie dans)) (hai or hadi) ;*.