Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cao hoa » cao hoat, cao khoa, cau hoa
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
dinh ve » dinh ket, dinh van
va cam » va cham, va cac, va cao

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 nang cao hoa. hieu va cam duc va ((hanh vi) or (dinh ve)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang cao hoa. hieu va cam duc va ((hanh vi) OR (dinh ve)) su triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang cao hoa. hieu va cam duc va ((hanh vi) or (dinh ve)) su triet*.