Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping tan » xiaoyang tang, xiaojing a, xiaoping _
china due » china does, china des, china den
yang mind » yang cindy, yang jin, sang minh
mind dang » mind data
dang haji » dang hai, dato haji

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping tan ((chia du) OR (china due)) yang mind dang haji ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping tan ((chia du) OR (china due)) yang mind dang haji ;*.