Perhaps you should try some spelling variations:
ve triet » va trien, su triet
cham duc » pham duc, cham soc, pham duy
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
tu cham » toc cham, thi cham
hieu tu » chieu tu, hieu tuc, hien tu
tu sach » thu sach, te sach, tu cach
nang xa » lang xa, nang ma, mang xa
su sach » so sach, vu sach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (su sach)) tru ((nang xa) or (nang x)) hoi. hieu tu cham duc va hanh de ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) tru ((nang xa) OR (nang x)) hoi. hieu tu cham duc va hanh de ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) tru ((nang xa) or (nang x)) hoi. hieu tu cham duc va hanh de ve triet*".