Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
trinh vai » trinh van, trinh tai, trinh vat
viec cam » viec lam, viec cua, viec va
va trinh » van trinh, va tinh, lap trinh
so sach » so sanh, bo sach, co sach
ky lang » ky nang, ky dang, tay lang
ky tang » ky nang, ky dang, kho tang
cam tuc » cam xuc, cam tu, nam thuc
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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 lang) OR (ky tang)) xa hoi. nhieu viec cam tuc va trinh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ky lang) OR (ky tang)) xa hoi. nhieu viec cam tuc va trinh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ((ky lang) OR (ky tang)) xa hoi. nhieu viec cam tuc va trinh vai cua tre*.