Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping tan » xiaoyang tang, xiaojing a, xiaoping _
daun yang » du yang, tan yang, un yang
mind dang » mind data
tan chia » tuan china, than china, can china
dan yang » tan yang, wang yang, yang yang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping tan chia ((daun yang) OR (dan yang)) mind dang (hai OR hari) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaoping tan chia ((daun yang) OR (dan yang)) mind dang (hai or hari) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaoping tan chia ((daun yang) OR (dan yang)) mind dang (hai or hari) ;*.