Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
than china » tuan china, han china, wuhan china
than chia » tan chia
dang hari » dang hai
wen tang » wen wang, weng fang, en tant
tang jie » yang jie, tang li, yang jin
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 ((((than chia) OR (than ch2o))) OR (than china)) wen tang jie dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping ((((than chia) or (than ch2o))) or (than china)) wen tang jie dang hari ;*.