Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
xuc ban » duc ban, quoc ban, xuat ban
cuc ban » cua ban, cac ban, cuu ban
ve cam » ve cham, ve cac, va cam
te cua » le cua, de cua
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu ve cam ((xuc ban) OR (cuc ban)) anh ((te cua) OR (tue cua)) tre~.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu ve cam ((xuc ban) or (cuc ban)) anh ((te cua) or (tue cua)) tre*.