Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
su triet » su viet, su tien, ve triet
hieu ve » hieu va, hieu van
su sai » su tai, su hai, su dai
sai ky » sac ky
ve cac » va cac, vien cac
cac tu » cac thu, cach tu, cac du
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: su sai ky nang x hoi. hieu ve cac tu ((van hanh) OR (ban hanh)) vi ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky nang x hoi. hieu ve cac tu ((van hanh) OR (ban hanh)) vi ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky nang x hoi. hieu ve cac tu ((van hanh) OR (ban hanh)) vi ((cua triet) or (su triet))*".