Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
hieu vien » hieu hien, hieu viec, thieu nien
bach duoc » bach tuoc, sach duoc, ban duoc
thanh vai » thanh hai, thanh van, thanh tai
duoc gia » duoc giao, quoc gia, duc gia
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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 tang xa hoi. ((hieu vien) or (nhieu viec)) bach duoc gia thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky tang xa hoi. ((hieu vien) OR (nhieu viec)) bach duoc gia thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang xa hoi. ((hieu vien) or (nhieu viec)) bach duoc gia thanh vai cua tre*.