Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
lin xiaodong » ren xiaodong, wang xiaodong, du xiaodong
hong cheng » hong sheng, ong cheng, zong cheng
cheng han » chen hao
dang hadi » dang hai
fang jie » tang jie, fang ke, yang jin
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) OR (lin xiaodong)) hong cheng han ((fang jie) OR (yang jie)) dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang xiaoping) or (lin xiaodong)) hong cheng han ((fang jie) or (yang jie)) dang hadi ;*.