Perhaps you should try some spelling variations:
thieu nien » thien nhien
thanh de » hanh de, thanh ve, thanh do
truc gia » truc giac, tuc gia, thuc giai
cac truc » cau truc, cac tru, cac trung
nien cac » vien cac, dien cac, bien cac
su sach » vu sach
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
bo sach » co sach, hoc sach
so sach » so sanh, co sach, hoc sach
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((su sach) OR (so sach))) OR (bo sach)) ky dang xa hoi. thieu nien cac truc gia thanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((su sach) OR (so sach))) or (bo sach)) ky dang xa hoi. thieu nien cac truc gia thanh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((((su sach) OR (so sach))) or (bo sach)) ky dang xa hoi. thieu nien cac truc gia thanh de cua tre*.