Perhaps you should try some spelling variations:
sang kyo » sang ky, sang tao, dang ky
kyo nang » ky nang, khoi nang, ki nang
hieu van » hieu va, thien van, lieu va
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nuoc cac » duoc cac, luoc cac, nuoc cap
so sang » so sanh, so dang, so lang
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac
dan den » ban den, van den, dan dung
dan di » danh di, dan da, dan de
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sang kyo nang xa hoi. hieu van cac nuoc cac ((dan di) or (dan den)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sang kyo nang xa hoi. hieu van cac nuoc cac ((dan di) OR (dan den)) cua te*.