Perhaps you should try some spelling variations:
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
xiaoping tuan » xinping guan
long thanh » luong thanh, long han, long trinh
wang yang » wang yan, wang liang, wang yanling
yang lin » yang jin, wang lin, yang li
tuan vu » thanh vu, tuan hua
vu wang » yu wang, vu hoang, von wang
haul » hall, paul, hail

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaoping tuan vu wang yang lin ((long thanh) or (long haul)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping tuan vu wang yang lin ((long thanh) OR (long haul)) ;*.