Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
lai cua » dai cua, hai cua, lai chau
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
sach ty » sach y, sach tu, sach thu
cho hoc » co hoc, khoa hoc
cao hoc » co hoc, chat hoc
ty nang » ky nang, ty xang, ty hang
cua cau » cua cac, cua chu, cua cay

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 ty nang ((cao hoc) or (cho hoc)). lieu va cac ((xuc ban) OR (cuc ban)) hanh lai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((cao hoc) OR (cho hoc)). lieu va cac ((xuc ban) OR (cuc ban)) hanh lai cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((cao hoc) or (cho hoc)). lieu va cac ((xuc ban) OR (cuc ban)) hanh lai cua cau*".