Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dao » lanh dao, thanh dat, thanh dam
hanh dai » hanh tai, vanh dai, thanh dat
xang van » dang van, tang van, lang van
hieu van » hieu va, thien van, lieu va
cam tuc » cam xuc, cam tu, nam thuc
so sach » bo sach, co sach, hoc sach
van hoc » van hoa
so sanh » do sanh
van cam » van nam, van lam, van cau
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) ty xang van hoc. hieu van cam tuc va ((hanh dai) or (hanh dao)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ty xang van hoc. hieu van cam tuc va ((hanh dai) OR (hanh dao)) cua triet.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) ty xang van hoc. hieu van cam tuc va ((hanh dai) or (hanh dao)) cua triet*.