Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
van doanh » toan doanh, van dong, van thanh
doanh lai » doanh tai, doanh luan, doanh giai
lang van » dang van, tang van, hoang van
viec cac » vien cac, viec cua, viec lam
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
sach ky » sac ky, sach y, sach ty
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang
lo van » le van, vo van, so van
cac lo » cac lop, cac co, cac bo

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 ky lang van hoi. nhieu viec cac lo van doanh lai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang van hoi. nhieu viec cac lo van doanh lai ((cua tre) OR (cuu tre))*".