Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping than » xiaoping how, xiaoping shi
than china » tuan china, han china, wuhan china
von langs » von langes, von angst, von land
dong yang » dong hoang, wang yang, yang yang
jie dang » jie zhang, vie dans, bie dans
hai » hadi, haji, hari

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 china ((von langs) OR (dong yang)) jie dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaoping than china ((von langs) or (dong yang)) jie dang hai ;*.