Perhaps you should try some spelling variations:
luong thanh » long thanh, truong thanh
thanh tan » thanh van, thanh dam
john song » john wong, john bonn, john ngosong
jin song » jie song, kim song, jin ying
jiao yan » xiao yuan, xiao yang, qian yan
yan hua » tan hua, ya hua, wang hua
tan li » tang li, tian li, gan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: luong thanh tan li ((john song) or (jin song)) jiao yan hua ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: luong thanh tan li ((john song) OR (jin song)) jiao yan hua ;*.