Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
tang zheng » wang zheng, fang sheng, fang zhen
tuan china » wuhan china, can china, taiwan china
chen wang » chen yang, chen rong, chen ping
wang yang » wang yan, wang liang, wang yanling
tong shui » tong hui, cong shu
gong hui » tong hui, wang hui, gong si

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

• Performing a fuzzy search may retrieve terms with similar spellings: long thanh ((tang zheng) or (tuan china)) chen wang yang ((tong shui) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh ((tang zheng) OR (tuan china)) chen wang yang ((tong shui) OR (gong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: long thanh ((tang zheng) or (tuan china)) chen wang yang ((tong shui) or (gong hui)) ;*.