Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
van tham » van tuan, van chat, van tai
thu sach » tu sach, thuat sach, thuoc sach
cao hoc » co hoc, cho hoc, chat hoc
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang cao hoc. thi ((van tham) or (van thanh)) xuc ((va danh) OR (va dinh)) lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang cao hoc. thi ((van tham) OR (van thanh)) xuc ((va danh) OR (va dinh)) lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang cao hoc. thi ((van tham) or (van thanh)) xuc ((va danh) OR (va dinh)) lai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang cao hoc. thi ((van tham) or (van thanh)) xuc ((va danh) OR (va dinh)) lai cua triet*.