Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
cao hoi » cau hoi, co hoi, tao hoi
cao hoc » co hoc, cho hoc, chat hoc
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa

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 y nang ((cao hoi) or (cao hoc)). lieu va cham tuc va hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((cao hoi) OR (cao hoc)). lieu va cham tuc va hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((cao hoi) or (cao hoc)). lieu va cham tuc va hanh hai cua tre*.