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
nang xa » nang x, lang xa, nang ma
ve phan » va phan, ve phat, vi phan
ke phan » kenh phan, ke thang
va dinh » van dinh, va tinh, vu dinh
va kinh » va tinh, qua kinh
lam cua » nam cua, lam chat

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 xa hoi. hieu ((ve phan) OR (ke phan)) duc ((va dinh) or (va kinh)) lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ((ve phan) OR (ke phan)) duc ((va dinh) OR (va kinh)) lam cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu ((ve phan) OR (ke phan)) duc ((va dinh) or (va kinh)) lam cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ((ve phan) OR (ke phan)) duc ((va dinh) or (va kinh)) lam cua triet*.