Perhaps you should try some spelling variations:
thieu nien » thien nhien
nhieu viec » hieu viec, nhien viet
sach duoc » sach nuoc, sach dao, sach dung
thanh vai » thanh hai, thanh van, thanh tai
dang xay » dang van, van xay
duoc gia » duoc giao, quoc gia, duc gia
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

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 dang xay hoi. ((thieu nien) or (nhieu viec)) sach duoc gia thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang xay hoi. ((thieu nien) OR (nhieu viec)) sach duoc gia thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ky dang xay hoi. ((thieu nien) or (nhieu viec)) sach duoc gia thanh vai cua te*.