Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang tao » hang tai
quoc ban » quoc bao, quoc lan, quoc quan
lang van » dang van, tang van, hoang van
xuc ban » duc ban, cuc ban, xuat ban
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
va cao » va cac, va co, va dao
vi cua » vai cua, di cua

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 ky ((sang tao) or (lang van)) hoi. hieu va cao ((xuc ban) OR (quoc ban)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((sang tao) OR (lang van)) hoi. hieu va cao ((xuc ban) OR (quoc ban)) hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((sang tao) or (lang van)) hoi. hieu va cao ((xuc ban) OR (quoc ban)) hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang tao) or (lang van)) hoi. hieu va cao ((xuc ban) OR (quoc ban)) hanh vi cua triet*.