Perhaps you should try some spelling variations:
ban hanh » ban hang
hieu cao » chieu cao, hieu cac, hieu ca
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, dao hanh
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky tang ma hoi. hieu cao chat xuc ((va danh) or (((va hanh) or (ban hanh)))) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky tang ma hoi. hieu cao chat xuc ((va danh) OR (((va hanh) OR (ban hanh)))) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang ma hoi. hieu cao chat xuc ((va danh) or (((va hanh) or (ban hanh)))) dai cua tre*.