Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
lang van » dang van, tang van, hoang van
sang ma » tang ma, nang ma, sang tao
sach ky » sac ky, sach y, sach ty
qua cao » qua cac, qua ca, qua cai
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua ban
tu sach » thu sach, su sach, te sach
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 ma) or (lang van)) hoi. hieu qua cao ((xuc ban) OR (duc ban)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((sang ma) OR (lang van)) hoi. hieu qua cao ((xuc ban) OR (duc ban)) hanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((sang ma) or (lang van)) hoi. hieu qua cao ((xuc ban) OR (duc ban)) hanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang ma) or (lang van)) hoi. hieu qua cao ((xuc ban) OR (duc ban)) hanh vi cua triet*.