Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
xuc ban » duc ban, cuc ban, quoc ban
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
tang ma » mang may, tang van
va dao » ca dao
vi cua » vai cua, di cua
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((tang ma) or (nang x)) hoi. hieu ((va cam) or (va dao)) xuc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((tang ma) OR (nang x)) hoi. hieu ((va cam) OR (va dao)) xuc ban thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((tang ma) or (nang x)) hoi. hieu ((va cam) or (va dao)) xuc ban thanh vi cua tre*.