Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wang danning » wang yanling, wang daoping, wang yangming
dan yang » daun yang, wang yang, yang yang
tan yang » tan ying, tan yong, tao yang
min dang » yimin dang, mein dank, bin dann
tan hua » tuan hua, wang hua, tan chia

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) or (wang danning)) tan hua ((dan yang) OR (tan yang)) min dang (hai or hadi) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiaoping) OR (wang danning)) tan hua ((dan yang) OR (tan yang)) min dang (hai OR hadi) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaoping) or (wang danning)) tan hua ((dan yang) OR (tan yang)) min dang (hai or hadi) ;*".