Perhaps you should try some spelling variations:
ve triet » va trien
su triet » su viet, su tien
van hanh » van thanh, ban hanh, van anh
cao suc » cao su, cao duc
hanh ki » hanh vi, hanh ky, hanh kien
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
cao xuc » cam xuc, cao duc, chat xuc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
tu nang » tru nang, tu nong, tu nano

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tu nang ma hoa. hieu va ((cao xuc) or (cao suc)) van hanh ki ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang ma hoa. hieu va ((cao xuc) OR (cao suc)) van hanh ki ((su triet) OR (ve triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu nang ma hoa. hieu va ((cao xuc) or (cao suc)) van hanh ki ((su triet) OR (ve triet))*".