Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
nam thuc » nam thuoc, am thuc, nam thu
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, dua tren
nang ma » tang ma, sang ma, nang cao
hieu le » hieu ve, hieu he, hieu ly
tu cao » cu cao, tu cac, su cao
ma hoi » mai hoi, xa hoi, ma hoa
vu cao » cu cao, va cao
le nam » ly nam, he nam, le na

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: ((tu cao) OR (vu cao)) ky nang ma hoi. hieu le nam thuc va thanh de ((cua tre) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cao) or (vu cao)) ky nang ma hoi. hieu le nam thuc va thanh de ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: ((tu cao) or (vu cao)) ky nang ma hoi. hieu le nam thuc va thanh de ((cua tre) OR (cua triet))*.