Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
pham duy » pham duc
hieu voi » hieu moi, lieu voi, hieu loi
voi pham » vi pham, toi pham, loai pham
lang ha » long ha
danh vi » hanh vi, dinh vi, danh va
danh di » danh du, xanh di, danh dien
ha hoi » hoa hoi, ha noi, xa hoi
sai ky » sac ky
duy va » duy vat, duy van, day va

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

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