Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
ky trong » ly trong, ke trong, cay trong
danh vi » hanh vi, dinh vi, danh di
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
tu sac » tu sach, tu cac, tu san
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky dang) or (ky trong)) xa hoi. hieu va cam duc va danh vi ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky dang) OR (ky trong)) xa hoi. hieu va cam duc va danh vi ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky dang) or (ky trong)) xa hoi. hieu va cam duc va danh vi ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky dang) or (ky trong)) xa hoi. hieu va cam duc va danh vi ((cua triet) OR (su triet))*.