Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh van » thanh san, thanh toan, thanh phan
thanh va » hanh va, thanh ha, thanh ve
ky dang » ky nang, ky danh
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
dam tu » nam tu, cam tu, tam tu
tu gia » tu giao, tu giac, tu giay
ma hoi » xa hoi, ma hoa, me hoi
ve dam » ven dam, ke dam, va dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky dang ((ma hoi) or (mai hoi)). hieu ve dam tu gia ((thanh va) OR (thanh van)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky dang ((ma hoi) OR (mai hoi)). hieu ve dam tu gia ((thanh va) OR (thanh van)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky dang ((ma hoi) or (mai hoi)). hieu ve dam tu gia ((thanh va) OR (thanh van)) cua triet*".