Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping than » xiaoping how, xiaoping shi
china due » china does, china des, china den
yang mind » yang cindy, yang jin, sang minh
china du » china des, china den, china 1
hai » haji, hari, thai

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