Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
hanh hoi » hanh thoi, hanh noi, hanh hoa
cao duc » dao duc, cao suc, giao duc
va hanh » van hanh, va thanh, va danh
te sach » toc sach
cam duc » cam xuc, pham duc, nam duoc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ma hoi. hieu ve ((cam duc) or (cao duc)) va hanh hoi ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ve ((cam duc) OR (cao duc)) va hanh hoi ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu ve ((cam duc) or (cao duc)) va hanh hoi ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ve ((cam duc) or (cao duc)) va hanh hoi ((cua triet) OR (su triet))*.