Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
thu sach » tu sach, thuat sach, thuoc sach
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
va cao » va cac, va co, va dao
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua
va cai » va cac, va bai, va dai

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 (thu sach)) ky nang ma hoi. hieu ((va cai) or (va cao)) xuc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky nang ma hoi. hieu ((va cai) OR (va cao)) xuc ban thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky nang ma hoi. hieu ((va cai) or (va cao)) xuc ban thanh vi cua tre*.