Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
lam duc » lam duoc, pham duc, nam duoc
van lam » van nam
va cua » va chua, via cua, ca cua
tu san » thu san, tu can, vu san
ma hoi » mai hoi, ma hoa, me hoi
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) OR (tu ban)) ky nang ((ma hoi) or (xa hoi)). hieu van lam duc va thanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky nang ((ma hoi) OR (xa hoi)). hieu van lam duc va thanh va cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu san) OR (tu ban)) ky nang ((ma hoi) or (xa hoi)). hieu van lam duc va thanh va cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu san) OR (tu ban)) ky nang ((ma hoi) or (xa hoi)). hieu van lam duc va thanh va cua triet*.