Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
long thanh » luong thanh, long han, long trinh
long tan » hong tan, long han, long tail
hui tong » hui ping, hui yang, hui ying
tong hui » wang hui
pei yun » lei kyun, mei yung, pei yang
yun hui » yuan hui, chun hui, yang 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) OR (long thanh)) ((wuhan china) or (can china)) pei yun hui tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((long tan) OR (long thanh)) ((wuhan china) OR (can china)) pei yun hui tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((long tan) OR (long thanh)) ((wuhan china) or (can china)) pei yun hui tong hui ;*".