Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
hoc sach » hoc sinh, hoc cac, hoc anh
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu vi » hieu voi, hieu va, hieu ve
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang
ma hoi » mai hoi, xa hoi, ma hoa
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (hoc sach)) v nang ma hoi. hieu vi pham duc ban thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) v nang ma hoi. hieu vi pham duc ban thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) v nang ma hoi. hieu vi pham duc ban thanh dai cua tre*.