Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
va dao » ca dao
xuc va » duc va, tuc va, luc va
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 ((nang ma) or (nang x)) hoi. hieu ((va cam) or (va dao)) xuc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang ma) OR (nang x)) hoi. hieu ((va cam) OR (va dao)) xuc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang ma) or (nang x)) hoi. hieu ((va cam) or (va dao)) xuc va thanh vi cua tre*.