Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
xang ma » tang ma, nang ma, sang ma
va dinh » van dinh, va kinh, va tinh
y xang » ty xang
ma hoi » mai hoi, xa hoi, ma hoa
ve cao » va cao, ve bao, ve co
ve cac » va cac, vien 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 y xang ma hoi. hieu ((ve cao) OR (ve cac)) duc ((va dinh) or (may tinh)) viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y xang ma hoi. hieu ((ve cao) OR (ve cac)) duc ((va dinh) OR (may tinh)) viec cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y xang ma hoi. hieu ((ve cao) OR (ve cac)) duc ((va dinh) or (may tinh)) viec cua triet*".