Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
thu sach » tu sach, thuat sach, thuoc sach
van tham » van thanh, van tuan, van chat
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. lieu ((van tham) or (va thanh)) duc ((van hanh) OR (ban hanh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x hoi. lieu ((van tham) OR (va thanh)) duc ((van hanh) OR (ban hanh)) di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang x hoi. lieu ((van tham) or (va thanh)) duc ((van hanh) OR (ban hanh)) di cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. lieu ((van tham) or (va thanh)) duc ((van hanh) OR (ban hanh)) di cua triet*.