Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va
thuc xa » thuc xay, tuc xa, thuc ha
thuc va » thuc vat, thuc dan, thuc day
vai cua » dai cua, hai cua, lai cua
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang x ho. ((hieu ve) or (hieu van)) nam ((thuc xa) OR (thuc va)) hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x ho. ((hieu ve) OR (hieu van)) nam ((thuc xa) OR (thuc va)) hanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang x ho. ((hieu ve) or (hieu van)) nam ((thuc xa) OR (thuc va)) hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x ho. ((hieu ve) or (hieu van)) nam ((thuc xa) OR (thuc va)) hanh vai cua triet*.