Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van thanh » ban thanh, van tuan
tri nang » thi nang, tra nang, tri bang
va hanh » van hanh, va thanh, va danh
cao duc » dao duc, cao suc, giao duc
hieu va » lieu va, hieu qua
tu nang » tru nang, tu nong, tu nano
va cao » va cac, va co, va dao
vi cua » vai cua, di cua
su cac » tu cac, su cao, su can

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 ((tu nang) or (tri nang)) xa hoi. hieu va cao duc ((va hanh) or (van thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ((tu nang) OR (tri nang)) xa hoi. hieu va cao duc ((va hanh) OR (van thanh)) vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su cac ((tu nang) or (tri nang)) xa hoi. hieu va cao duc ((va hanh) or (van thanh)) vi cua triet*.