Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang mai » sang ma, sang tai, lang mai
hanh van » thanh van, khanh van, hanh va
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
y sang » _ sang, duy sang
qua ca » qua cac, qua cua, qua cai
ca tuc » cua tuc, va tuc

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 y sang mai hoi. hieu qua ca tuc xa ((hanh van) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang mai hoi. hieu qua ca tuc xa ((hanh van) OR (hanh vi)) cua triet*.