Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
thanh van » thanh dam
yang john » young john, king john, yang jin
john wong » john song, john bonn
dang anh » duong anh
tuan hua » tan hua, tuan vu, yuan hui
thanh vu » thanh _
dan yang » daun yang, tan yang, wang yang
wong sar » kong sar, wong sam, wong sau

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

• Performing a fuzzy search may retrieve terms with similar spellings: dang anh ((((tuan hua) or (((thanh vu) or (thanh van))))) or (tuan china)) dan yang john wong sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dang anh ((((tuan hua) OR (((thanh vu) OR (thanh van))))) OR (tuan china)) dan yang john wong sar ;.
• Adding a wildcard symbol may retrieve word variants: dang anh ((((tuan hua) or (((thanh vu) or (thanh van))))) or (tuan china)) dan yang john wong sar ;*.