Perhaps you should try some spelling variations:
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 ning » wang jing, wang liang, wang yang
long tan » hong tan, long han, long thanh
gong hui » tong hui, tong shui, wang hui

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

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