Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
thanh tuan » thanh tuyen, anh tuan, thanh van
tuan china » wuhan china, can china, taiwan china
china fan » china fax, china fall, china fur
wang hui » wang hua, wang zhi, wang wei
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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 tuan china fan ((yang xi) or (yang yi)) wang hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh tuan china fan ((yang xi) OR (yang yi)) wang hui ;.
• Adding a wildcard symbol may retrieve word variants: long thanh tuan china fan ((yang xi) or (yang yi)) wang hui ;*.