Perhaps you should try some spelling variations:
long thanh » luong thanh, long han, long trinh
tong shui » cong shu, gong hui
mung yun » meng yuan, young yun, mang yul
jae yong » jae young, jae song, jim yong
yong cai » dong cao, yong c, yong wah
tong hui » wang hui
yun jae » myung jae, yun jang

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 mung yun jae yong cai ((tong shui) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long thanh mung yun jae yong cai ((tong shui) OR (tong hui)) ;*.