Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai
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.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang x ho. hieu ((va cam) or (va cac)) xuc va thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x ho. hieu ((va cam) OR (va cac)) xuc va thanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x ho. hieu ((va cam) or (va cac)) xuc va thanh de cua tre*.