Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
lai hoa » dai hoa, loai hoc
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: su sach ky tang ma hoi. hieu vu cham xuc ((va hanh) or (va dinh)) lai hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky tang ma hoi. hieu vu cham xuc ((va hanh) OR (va dinh)) lai hoa viet.
• Adding a wildcard symbol may retrieve word variants: su sach ky tang ma hoi. hieu vu cham xuc ((va hanh) or (va dinh)) lai hoa viet*.