Perhaps you should try some spelling variations:
giao thanh » gia thanh, gian thanh, giay thanh
hieu viec » nhieu viec, hieu ve, sieu viet
hieu vien » hieu hien, thieu nien, hieu tieng
bach duoc » bach tuoc, sach duoc, ban duoc
duoc giao » nuoc giao, duc giao, duong giao
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu 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
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky lang xa hoi. ((hieu vien) or (hieu viec)) bach duoc giao thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. ((hieu vien) OR (hieu viec)) bach duoc giao thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. ((hieu vien) or (hieu viec)) bach duoc giao thanh vi cua tre*.