Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cham xuc » chat xuc, cham soc, pham duc
cuu tre » cau tren, cau treo
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
sach ly » sach y, sach lo, sach ty
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ly nang ma hoi. hieu ve ((cham xuc) OR (cam xuc)) va danh di ((cuu tre) OR (cua tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ly nang ma hoi. hieu ve ((cham xuc) or (cam xuc)) va danh di ((cuu tre) OR (cua tre))~".
• Adding a wildcard symbol may retrieve word variants: hoc sach ly nang ma hoi. hieu ve ((cham xuc) or (cam xuc)) va danh di ((cuu tre) OR (cua tre))*.