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
sach ky » sac ky, sach ty, sach kem
xay hoi » xa hoi, tay hoi, cay phoi
cam luc » cam xuc, cau luc
va tinh » may tinh
tinh di » tinh doi, trinh di, tinh da
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va
di cuu » di cau, di cua, dinh cuu

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) or (sach y)) dang xay hoi. nhieu viec cam luc va tinh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) dang xay hoi. nhieu viec cam luc va tinh di cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) dang xay hoi. nhieu viec cam luc va tinh di cuu tre*.