Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
ky tang » ky dang, kho tang, ky trong
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
anh tri » anh thi, anh tai, thanh tri
cua tre » cua te, cuu tre, cua triet
tu ban » thu ban, te ban
tuc va » thuc va, truc va, tuc xa
va anh » van anh, va danh, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ban ((ky tang) or (ky nang)) mai hoi. hieu ve cham tuc va anh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ban ((ky tang) OR (ky nang)) mai hoi. hieu ve cham tuc va anh tri cua tre*.