Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
xiaobing tan » xiaoyang tang, xiaojing a
wang sang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
minh dang » minh cong, mich dann
tan chia » tuan china, than china, can china

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