Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc 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
cuu san » cuu van, cua san, cuu ban
san don » van don, san doanh, van dong
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
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: te sach ky lang xa hoi. hieu ((ve cam) or (ve cac)) cuu san don vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((ve cam) OR (ve cac)) cuu san don vi cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((ve cam) or (ve cac)) cuu san don vi cua triet*.