Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
nang van » dang van, tang van, lang van
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
nam xuc » cam xuc, nam xua, nam thuc
xuc van » duc van, luc van, vuc van
su sac » su cac, su xac

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

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