Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
van choi » van chi, van cho, van hoi
van chon » van cho, van chuong, van phong
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
te sach » toc sach
luc va » duc va, tuc va, loc va
di va » dai va, di vao, doi va

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 (lang xa)) hoi. hieu ((van chon) OR (van choi)) luc va hanh di va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (lang xa)) hoi. hieu ((van chon) OR (van choi)) luc va hanh di va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (lang xa)) hoi. hieu ((van chon) OR (van choi)) luc va hanh di va triet".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (lang xa)) hoi. hieu ((van chon) OR (van choi)) luc va hanh di va triet*.