Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
nam truc » nam truoc, nam thuc, nam trung
so sanh » do sanh
sanh ly » sinh ly, doanh ly, khanh ly
ly hang » ly quang
nam tuc » nam thuc, nam tu, nam thuoc
va hanh » van hanh, va thanh, va danh
va hoi » xa hoi, va hoc, va hoa
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: so sanh ly hang va hoi. hieu van ((nam tuc) or (nam truc)) va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly hang va hoi. hieu van ((nam tuc) OR (nam truc)) va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: so sanh ly hang va hoi. hieu van ((nam tuc) or (nam truc)) va hanh vi cua triet*.