Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
nang mai » nang ma, nang tai, lang mai
xuc ban » duc ban, quoc ban, xuat ban
hanh ki » hanh vi, hanh ky, hanh kien
cuc ban » cua ban, cac ban, cuu ban
tu sach » thu sach, su sach, te sach
sach vu » sach va, sach tu, sach uu
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
vu nang » vuc nang, va nang, vu dang
va cao » va cac, va co, va dao
ki su » ky su

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 vu nang mai hoi. hieu va cao ((xuc ban) OR (cuc ban)) hanh ki su triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach vu nang mai hoi. hieu va cao ((xuc ban) OR (cuc ban)) hanh ki su triet*.