Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cua triet » cua viet, su triet, va triet
van phat » van chat, van phan, dao phat
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
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 nang xa hoi. thien ((van phat) OR (va phat)) duc ((va hanh) or (ban thanh)) vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thien ((van phat) OR (va phat)) duc ((va hanh) OR (ban thanh)) vi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. thien ((van phat) OR (va phat)) duc ((va hanh) or (ban thanh)) vi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thien ((van phat) OR (va phat)) duc ((va hanh) or (ban thanh)) vi cua triet*.