Perhaps you should try some spelling variations:
ban hanh » ban hang
sach ty » sach tu, sach thu, xach tay
va hanh » van hanh, va thanh, va danh
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
di cua » dai cua, doi cua, de cua
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho

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 ty) or (sach y)) nang x hoi. hieu ve cac xuc ((va hanh) or (ban hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) nang x hoi. hieu ve cac xuc ((va hanh) OR (ban hanh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach y)) nang x hoi. hieu ve cac xuc ((va hanh) or (ban hanh)) di cua tre*.