Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van
tu nang » tru nang, tu nong, tu nano
xuc va » duc va, tuc va, luc va
su cac » tu cac, su cao, su can
x hoi » xa hoi, o hoi, x ho

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

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