Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
daun yang » du yang, un yang
mind dang » mind data
tan chia » tuan china, than china, can china
dan yang » wang yang, yang yang, adam yang
tan yang » tan ying, tan yong, tao yang
hai » hadi, haji, hari

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 daoping tan chia ((((daun yang) OR (dan yang))) OR (tan yang)) mind dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang daoping tan chia ((((daun yang) OR (dan yang))) or (tan yang)) mind dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang daoping tan chia ((((daun yang) OR (dan yang))) or (tan yang)) mind dang hai ;*.