Perhaps you should try some spelling variations:
xuat ban » luat ban, xuat san, thuat ban
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty hang, ly nang
qua cam » qua cham, qua cac, qua ca
cua tre » cua te, cuu tre, cua triet
anh de » hanh de, anh d, anh ve
de cua » le cua, te cua, dieu 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: tu sach ((ty nang) OR (ty xang)) x hoi. hieu qua cam ((xuat ban) OR (cua ban)) anh de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ty xang)) x hoi. hieu qua cam ((xuat ban) or (cua ban)) anh de cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ty xang)) x hoi. hieu qua cam ((xuat ban) or (cua ban)) anh de cua tre*.