Perhaps you should try some spelling variations:
nhien viet » nhin viet, nghiep viet, trien viet
nhieu viec » hieu viec
va trinh » van trinh, va tinh, lap trinh
trinh do » trinh ky
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
do cua » doi cua, co cua, de cua

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