Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khac ty » khac thi
van anh » van thanh, tuan anh, van minh
duc van » duc va, duc tan, duc manh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
vu khac » vu kham, vu khanh, bui khac
hieu ve » hieu van
ty nang » ky nang, ty xang, ty hang
nang o » nang co, nang ho, nang ro
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua
o hoc » co hoc, mo hoc, so hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khac ty nang o hoc. ((hieu ve) or (hieu va)) cam duc van anh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khac ty nang o hoc. ((hieu ve) OR (hieu va)) cam duc van anh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: vu khac ty nang o hoc. ((hieu ve) or (hieu va)) cam duc van anh vi cua triet*.