Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hang » ngan hang
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
sach ky » sac ky, sach y, sach ty
va tinh » may tinh
cua tre » cua te, cuu tre, dua tren
te sach » toc sach
ve cao » va cao, ve bao, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang cao hoc. hieu ve cao duc ((ban hang) or (va tinh)) di ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang cao hoc. hieu ve cao duc ((ban hang) OR (va tinh)) di ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang cao hoc. hieu ve cao duc ((ban hang) or (va tinh)) di ((cua tre) OR (cua triet))*".