Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh doi » thanh loi, thanh moi, thanh do
va thanh » gia thanh, ban thanh, va tinh
nam thuc » nam thuoc, am thuc, nam thu
doi cua » dai cua, hoi cua
thuc va » thuc vat, thuc dan, thuc day
hieu le » hieu ve, hieu he, hieu ly
lai hoi » dai hoi, lai hoa, lai roi
le nam » ly nam, he nam, le na
ma hoi » mai hoi, xa hoi, ma hoa
tu san » thu san, tu ban, tu can
te san » te ban, ke san, ta san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te san) OR (tu san)) ky nang ((ma hoi) or (lai hoi)). hieu le nam thuc va thanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te san) OR (tu san)) ky nang ((ma hoi) OR (lai hoi)). hieu le nam thuc va thanh doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te san) OR (tu san)) ky nang ((ma hoi) or (lai hoi)). hieu le nam thuc va thanh doi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te san) OR (tu san)) ky nang ((ma hoi) or (lai hoi)). hieu le nam thuc va thanh doi cua triet*.