Perhaps you should try some spelling variations:
ve triet » va trien, su triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cao duc » dao duc, cao suc, giao duc
van anh » van thanh, tuan anh
ca viet » va viet, co viet, hoa viet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. hieu va cao duc ((van anh) or (van minh)) vi ((ve triet) or (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu va cao duc ((van anh) OR (van minh)) vi ((ve triet) OR (ca viet)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu va cao duc ((van anh) or (van minh)) vi ((ve triet) or (ca viet))*.