Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
su sach » vu sach
tang ma » mang may, tang van
lam xuc » cam xuc, lam duoc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
tang ha » lang ha, trung ha, tang van
so sach » so sanh, bo sach, co sach
va lam » van lam, va lap
xuc va » duc va, tuc va, luc va
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)) ky ((tang ha) OR (tang ma)) hoi. hieu va lam xuc va thanh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky ((tang ha) or (tang ma)) hoi. hieu va lam xuc va thanh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky ((tang ha) or (tang ma)) hoi. hieu va lam xuc va thanh de cua tre*.