Perhaps you should try some spelling variations:
xuat ban » luat ban, xuat san, thuat ban
hieu ve » hieu va, hieu van
cuc ban » cua ban, cac ban, cuu ban
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
anh de » hanh de, anh d, anh ve
de cua » le cua, te cua, dieu cua
x hoi » xa hoi, o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ((x hoi) OR (x ho)). hieu ve cam ((xuat ban) or (cuc ban)) anh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ((x hoi) OR (x ho)). hieu ve cam ((xuat ban) OR (cuc ban)) anh de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang ((x hoi) OR (x ho)). hieu ve cam ((xuat ban) or (cuc ban)) anh de cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ((x hoi) OR (x ho)). hieu ve cam ((xuat ban) or (cuc ban)) anh de cua tre*.