Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
lang van » dang van, tang van, hoang van
tinh doi » trinh doc, trinh do, tinh hoc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay
viec va » vien va, viec cua, viec lam
va tinh » may tinh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va duc » van duc, va duoc, va doc

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 xa) or (lang van)) hoi. nhieu viec va duc va tinh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang xa) OR (lang van)) hoi. nhieu viec va duc va tinh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang xa) or (lang van)) hoi. nhieu viec va duc va tinh doi cua tre*.