Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
tang dai » tang tai, tang dan, lang dai
duc van » duc va, duc tan, duc manh
hieu tu » chieu tu, hieu tuc, hien tu
sach ty » sach tu, sach thu, xach tay
tu cham » toc cham, thi cham

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach y) or (sach ty)) tang dai hoc. hieu tu cham duc van hanh vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach y) OR (sach ty)) tang dai hoc. hieu tu cham duc van hanh vi ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te ((sach y) or (sach ty)) tang dai hoc. hieu tu cham duc van hanh vi ((cua triet) or (su triet))*.