Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
wuhan china » tuan china, yunnan china
china daun » china data, china den, china due
daun dong » daun yang
sein dann » sein kann, sein das, bin dann
sin dann » bin dann, ein dank, sin cain

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 wuhan china daun dong ((sin dann) OR (sein dann)) (hai or hari) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping wuhan china daun dong ((sin dann) OR (sein dann)) (hai OR hari) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping wuhan china daun dong ((sin dann) OR (sein dann)) (hai or hari) ;*".