Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
dang xay » dang van, van xay
dinh ve » dinh ket, dinh van
dinh vi » dinh viet, dinh tri, dinh thi
lam xuc » cam xuc, lam duoc
van lam » van nam
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
xuc va » duc va, tuc va, luc va
te ban » te bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te ban) or (te tai)) ky dang xay hoi. hieu van lam xuc va ((dinh vi) OR (dinh ve)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te ban) OR (te tai)) ky dang xay hoi. hieu van lam xuc va ((dinh vi) OR (dinh ve)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te ban) or (te tai)) ky dang xay hoi. hieu van lam xuc va ((dinh vi) OR (dinh ve)) cua triet".
• Adding a wildcard symbol may retrieve word variants: ((te ban) or (te tai)) ky dang xay hoi. hieu van lam xuc va ((dinh vi) OR (dinh ve)) cua triet*.