Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va hanh » van hanh, va thanh, va danh
ve cai » va cai, ve cac, ve tai
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky lang xa hoi. hieu ((ve cai) or (va cac)) duc va hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. hieu ((ve cai) OR (va cac)) duc va hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. hieu ((ve cai) or (va cac)) duc va hanh vi cua triet*.