Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang hanh » dang thanh, ban hanh, dang van
thuc dang » thuoc dang, thuc dan, thuc dung
hieu bac » hieu cac, hieu bai, hieu bat
hanh vai » hanh vi, hanh va, hanh tai
nam thuc » nam thuoc, am thuc, nam thu
bac nam » bac am, ban nam, bau nam
mang xa » mang may, dang xay, mang cua
lang xa » lang ha, dang xay, lang van
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((((lang xa) or (mang xa))) or (nang x)) hoi. hieu bac nam thuc dang hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((((lang xa) OR (mang xa))) OR (nang x)) hoi. hieu bac nam thuc dang hanh vai cua triet*.