Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
mai hoi » mai khoi, dai hoi, lai hoi
hieu le » hieu ve, hieu he, hieu ly
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
ma hoi » xa hoi, ma hoa, me hoi
le nam » ly nam, he nam, le na
de cua » le cua, te cua, dieu cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: cu cao ky nang ((ma hoi) OR (mai hoi)). hieu le nam thuc va thanh de cua tre~.
• Adding a wildcard symbol may retrieve word variants: cu cao ky nang ((ma hoi) or (mai hoi)). hieu le nam thuc va thanh de cua tre*.