Perhaps you should try some spelling variations:
voi nang » voi hang, hoi nang, voi rang
hanh te » hanh tu, hanh ve, hanh de
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
va nang » van nang, da nang, cam nang
te cua » tue cua, le cua, de cua
x hoi » xa hoi, o hoi, x ho

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: vu bach ((voi nang) OR (va nang)) x hoi. ((hieu ve) OR (hieu va)) am thuc va hanh te cua tre~.
• Adding a wildcard symbol may retrieve word variants: vu bach ((voi nang) or (va nang)) x hoi. ((hieu ve) or (hieu va)) am thuc va hanh te cua tre*.