Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang hai » hang hai, nang tai, dang hai
hai hoi » dai hoi, hai moi, hai hai
danh vi » dinh vi, danh di, danh va
su cac » tu cac, su cao, su can
va cap » va cac, va dap, va cai
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky nang hai hoi. hieu ((va cap) OR (va cao)) nuoc va ((danh vi) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky nang hai hoi. hieu ((va cap) OR (va cao)) nuoc va ((danh vi) OR (hanh vi)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky nang hai hoi. hieu ((va cap) OR (va cao)) nuoc va ((danh vi) or (hanh vi)) cua triet".
• Adding a wildcard symbol may retrieve word variants: su cac ky nang hai hoi. hieu ((va cap) OR (va cao)) nuoc va ((danh vi) or (hanh vi)) cua triet*.