Perhaps you should try some spelling variations:
wang xinping » wang xiaoping, wang qingqing, wang xiaobing
xinping tuan » xinping guan
china due » china does, china des
china den » chinas den, china des, china does
yang mind » yang cindy, yang jin, sang minh
mind dang » mind data
dang hadi » dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xinping tuan ((china due) OR (china den)) yang mind dang hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xinping tuan ((china due) OR (china den)) yang mind dang hadi ;*".