Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chat hoc » chat hoa, chat thom, cho hoc
va thanh » gia thanh, ban thanh, va tinh
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
ly nang » ky nang, ly hang, ly vang
cam duc » cam xuc, cao duc, pham duc
hai cua » thai cua, dai cua, hoi cua
y nang » ky nang, v nang, may nang
va cam » va cham, va cac, va cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) chat hoc. lieu va cam duc ((va thanh) OR (van hanh)) hai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ly nang)) chat hoc. lieu va cam duc ((va thanh) or (van hanh)) hai cua triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ly nang)) chat hoc. lieu va cam duc ((va thanh) or (van hanh)) hai cua triet*.