Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
danh lai » danh sai, gianh lai, dinh lam
van danh » van doanh, van anh, van hanh
viec cac » vien cac, viec cua, viec lam
lai cua » dai cua, hai cua, lai chau
tu sach » thu sach, su sach, tu cach
ky lang » ky dang, ky tang, tay lang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
cac lo » cac lop, cac co, cac bo
lo van » le van, vo van, so van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (te sach)) ((ky lang) or (ky nang)) xa hoi. hieu viec cac lo van danh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ((ky lang) OR (ky nang)) xa hoi. hieu viec cac lo van danh lai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ((ky lang) or (ky nang)) xa hoi. hieu viec cac lo van danh lai cua tre*".