Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
toan cua » than cua, tan cua, doanh cua
quoc bao » quoc oai, quoc va
sach ky » sac ky, sach y, sach ty
hoc bao » hoc cao, hoc bai, hoc bo
te sach » toc sach
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cao » va cao, ve bao, ve cac
ma hoi » mai hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((ma hoi) or (xa hoi)). hieu ve cao ((quoc bao) or (hoc bao)) thanh toan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((ma hoi) OR (xa hoi)). hieu ve cao ((quoc bao) OR (hoc bao)) thanh toan cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((ma hoi) or (xa hoi)). hieu ve cao ((quoc bao) or (hoc bao)) thanh toan cua tre*.