Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cua tre » cua te, cuu tre, dua tren
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
danh vi » hanh vi, dinh vi, danh di
luc va » duc va, tuc va, loc va
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ve cac » va cac, vien cac
va xay » va xac
xuc va » duc va, tuc va, xac va
ky va » ly va, ke va, my va

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 ky va xay hoi. hieu ve cac ((xuc va) OR (luc va)) danh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky va xay hoi. hieu ve cac ((xuc va) OR (luc va)) danh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky va xay hoi. hieu ve cac ((xuc va) OR (luc va)) danh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: tu san ky va xay hoi. hieu ve cac ((xuc va) OR (luc va)) danh vi ((cua tre) or (cua triet))*.