Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping tan » xiaoyang tang, xiaojing a, xiaoping _
wang yang » wang yan, wang liang, wang yanling
tan chia » tuan china, than china, can china
dan yang » daun yang, tan yang, yang yang
min hong » amin hong, min hyoung, min jeong
tin hong » tan hong, kia hong, thi hong

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