Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
hanh tu » anh tu, danh tu
cua tre » cuu tre, cua triet, dua tren
ve cam » ve cham, ve cac, va cam
cua te » cua tu
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: te sach ky nang ((x hoi) or (x ho)). hieu ve cam cuc ban hanh tu ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((x hoi) OR (x ho)). hieu ve cam cuc ban hanh tu ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((x hoi) or (x ho)). hieu ve cam cuc ban hanh tu ((cua tre) or (cua te))*.