Perhaps you should try some spelling variations:
thanh via » thanh vien, thanh vinh, thanh gian
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
thanh va » thanh van, hanh va, thanh ha
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cac luc » cau luc, coc luc, cac nuoc
cua tre » cua te, cuu tre, cua triet
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky lang xa hoi. hieu viec cac luc va ((thanh via) or (thanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang xa hoi. hieu viec cac luc va ((thanh via) OR (thanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sac ky lang xa hoi. hieu viec cac luc va ((thanh via) or (thanh va)) cua tre*.