Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
sach ki » sach kinh, sach bai, sach kem
hieu ve » hieu va
lang xa » lang ha, dang xay, lang van
ki lang » ki nang, hoi lang, tai lang
xuc va » duc va, tuc va, luc 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 sach ki lang xa hoi. ((hieu ve) OR (hieu van)) cam xuc va hanh vai ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ki lang xa hoi. ((hieu ve) OR (hieu van)) cam xuc va hanh vai ((cua triet) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ki lang xa hoi. ((hieu ve) OR (hieu van)) cam xuc va hanh vai ((cua triet) or (su triet))*.