Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
sach ty » sach y, sach thu, xach tay
nang co » nang cao, nang doc, nang noi
sach tu » sach thu, cach tu, sach uu
cua tre » cua te, cuu tre, cua triet
co loi » co hoi
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) or (sach tu)) nang co loi. hieu va cam xuc ((gia thanh) or (ban thanh)) lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach tu)) nang co loi. hieu va cam xuc ((gia thanh) OR (ban thanh)) lai cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach tu)) nang co loi. hieu va cam xuc ((gia thanh) or (ban thanh)) lai cua tre*.