Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien, ve triet
bach ky » bac ky
nang ma » tang ma, sang ma, nang cao
hieu vi » hieu voi, hieu va, hieu ve
duc gia » quoc gia
ma hoi » mai hoi, xa hoi, ma hoa
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ky nang ma hoi. hieu vi pham duc gia thanh vi ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach ky nang ma hoi. hieu vi pham duc gia thanh vi ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: vu bach ky nang ma hoi. hieu vi pham duc gia thanh vi ((cua triet) OR (su triet))*.