Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
cham duc » pham duc, cham soc, pham duy
va cham » va chat, va tham
tu cach » tu cac
cach tu » cach thuc
song xa » song cua
hieu va » lieu va, hieu qua
nong x » nong xa, nang x, nong e

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tu ((nong x) or (song xa)) hoi. hieu va cham duc va thanh de ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach tu ((nong x) OR (song xa)) hoi. hieu va cham duc va thanh de ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach tu ((nong x) or (song xa)) hoi. hieu va cham duc va thanh de ((cua triet) OR (cua viet))".
• Adding a wildcard symbol may retrieve word variants: tu cach tu ((nong x) or (song xa)) hoi. hieu va cham duc va thanh de ((cua triet) OR (cua viet))*.