Perhaps you should try some spelling variations:
su triet » su tien, ve triet
tu sach » thu sach, su sach, te sach
danh di » danh du, xanh di, danh dien
sach ky » sac ky, sach y, sach ty
danh vi » hanh vi, dinh vi, danh va
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
su viet » so viet
ma hoi » mai hoi, xa hoi, ma hoa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky tang ma hoi. lieu va cac xuc ban ((danh vi) OR (danh di)) ((su triet) OR (su viet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky tang ma hoi. lieu va cac xuc ban ((danh vi) OR (danh di)) ((su triet) OR (su viet))*.