Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van choi » van chi, van cho, van hoi
van chon » van cho, van chuong, van phong
dang xay » dang van, van xay
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
te sach » toc sach
loc va » hoc va, luc va
di cua » dai cua, doi cua, de 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 y ((nang xa) or (dang xay)) hoi. hieu ((van chon) OR (van choi)) loc va hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (dang xay)) hoi. hieu ((van chon) OR (van choi)) loc va hanh di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (dang xay)) hoi. hieu ((van chon) OR (van choi)) loc va hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (dang xay)) hoi. hieu ((van chon) OR (van choi)) loc va hanh di cua triet*.