Perhaps you should try some spelling variations:
tu sach » thu sach, te sach, tu cach
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
cuu tre » cua tre, cau tren, cau treo
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
anh te » anh tu, anh ta, anh ve
te cuu » te cua, te cau, tu cuu
va cam » va cham, va cac, va cao
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: ((tu sach) OR (su sach)) ty nang x hoi. lieu va cam ((xuc ban) OR (cuc ban)) anh te cuu tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ty nang x hoi. lieu va cam ((xuc ban) or (cuc ban)) anh te cuu tre*.