Perhaps you should try some spelling variations:
wang xiaobing » wang xiaoping, wang xiaodong, wang xiaolin
xiaobing tan » xiaoyang tang, xiaojing a
liang minh » liang ying, sang minh
chia wang » china wang, chiu wan, chia lan
chen wang » chen yang, chen rong, chen ping
minh dang » minh cong, mich dann

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