Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khoa hoi » khoan hoi, khoa hoc, khoa doi
hoa hoi » hoa hoc, hoa doi, hoc hoi
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
su cac » tu cac, su cao, su can
xuc va » duc va, tuc va, luc va

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

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