Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh lai » dinh lam, dinh lap, dinh tai
tang van » dang van, hoang van, trong van
cach tu » cach thuc
lai cua » dai cua, hai cua, lai chau
su cach » su sach, tu cach, su cac
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach tu ((mang may) or (tang van)) hoi. hieu ve cham ((xuc va) OR (tuc va)) dinh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach tu ((mang may) OR (tang van)) hoi. hieu ve cham ((xuc va) OR (tuc va)) dinh lai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach tu ((mang may) or (tang van)) hoi. hieu ve cham ((xuc va) OR (tuc va)) dinh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: su cach tu ((mang may) or (tang van)) hoi. hieu ve cham ((xuc va) OR (tuc va)) dinh lai cua triet*.