Perhaps you should try some spelling variations:
giao thanh » gia thanh, gian thanh, giay thanh
nhieu viec » hieu viec, nhien viet
hieu vien » hieu hien, hieu viec, thieu nien
bach duoc » bach tuoc, sach duoc, ban duoc
duoc giao » nuoc giao, duc giao, duong giao
thanh dai » thanh hai, thanh tai, thanh dat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
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 ty lang xa hoi. ((hieu vien) or (nhieu viec)) bach duoc giao thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. ((hieu vien) OR (nhieu viec)) bach duoc giao thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. ((hieu vien) or (nhieu viec)) bach duoc giao thanh dai cua tre*.