Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
mai hoi » mai khoi, dai hoi, lai hoi
cac luc » cau luc, coc luc, cac nuoc
su sach » so sach, vu sach
ty nang » ky nang, ty xang, ty hang
so sanh » do sanh
ma hoi » xa hoi, ma hoa, me hoi
luc va » duc va, tuc va, loc va
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: ((su sach) or (so sanh)) ty nang ((ma hoi) OR (mai hoi)). lieu va cac luc va thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ty nang ((ma hoi) OR (mai hoi)). lieu va cac luc va thanh vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) ty nang ((ma hoi) OR (mai hoi)). lieu va cac luc va thanh vi cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ty nang ((ma hoi) OR (mai hoi)). lieu va cac luc va thanh vi cua triet*.