Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
xiaobing tan » xiaoyang tang, xiaojing a
chia wang » china wang, chen wang, chiu wan
yang mind » yang cindy, yang jin, tang min
sang minh » kang minah, anh minh, song min
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 ((yang mind) OR (sang minh)) dang (hai OR haji) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaobing tan chia wang ((yang mind) OR (sang minh)) dang (hai or haji) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaobing tan chia wang ((yang mind) OR (sang minh)) dang (hai or haji) ;*.