Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
khanh ly » khanh duy, thanh lay, hanh ky
van hanh » van thanh, ban hanh, van ban
vu khanh » vu thanh, van khanh, duy khanh
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
ly nang » ky nang, ly hang, ly vang
van anh » van thanh, tuan anh, van minh
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

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