Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
dang xay » dang van, van xay
viec cam » viec lam, viec cua, viec va
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
cam duc » cam xuc, cao duc, pham duc
va tinh » may tinh
tinh he » trinh he, hinh he, tinh ha
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky dang xay hoi. nhieu viec cam duc va tinh he ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang xay hoi. nhieu viec cam duc va tinh he ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: so sach ky dang xay hoi. nhieu viec cam duc va tinh he ((cua te) or (cua tu))*.