Perhaps you should try some spelling variations:
thien van » thi van
so sang » so sanh, so dang, so lang
sang ky » sang kyo, dang ky, tang ky
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac toc » cac toi, cac nuoc, cac thoi
toc cac » hoc cac, tuc cac, ton cac
dan doi » dan hoi, dan toi, van doi
doi cua » dai cua, hoi cua
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 ky lang xa hoi. ((hieu va) or (thien van)) cac toc cac dan doi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sang ky lang xa hoi. ((hieu va) OR (thien van)) cac toc cac dan doi cua te.
• Adding a wildcard symbol may retrieve word variants: so sang ky lang xa hoi. ((hieu va) or (thien van)) cac toc cac dan doi cua te*.