Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach ty
ma hoi » mai hoi, ma hoa, me hoi
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ky nang ((ma hoi) or (xa hoi)). hieu van cau xuc ((va danh) OR (va hanh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ky nang ((ma hoi) OR (xa hoi)). hieu van cau xuc ((va danh) OR (va hanh)) dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ky nang ((ma hoi) or (xa hoi)). hieu van cau xuc ((va danh) OR (va hanh)) dai cua te*".