Perhaps you should try some spelling variations:
ban thanh » ban hang
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di cua

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 ky lang ha hoi. hieu qua cham xuc ((ban thanh) or (ban hanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ha hoi. hieu qua cham xuc ((ban thanh) OR (ban hanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang ha hoi. hieu qua cham xuc ((ban thanh) or (ban hanh)) vi cua tre*.