Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
thanh tan » thanh van, thanh dam
hyun song » yun song, kyu song
kim eung » kim young, kim song
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: long thanh tan li ((hyun song) or (kim eung)) jiao yan hua ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh tan li ((hyun song) OR (kim eung)) jiao yan hua ;*.