Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
dang hari » dang hai
wang jie » yang jie, tang jie, wang jing
yang jin » yang jie, yang jun, ying jin

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaoping ((than china) OR (wuhan china)) stein ((wang jie) or (yang jin)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping ((than china) OR (wuhan china)) stein ((wang jie) OR (yang jin)) dang hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping ((than china) OR (wuhan china)) stein ((wang jie) or (yang jin)) dang hari ;*".