Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach thu » sach thue, sach tham, cach thuc
van hanh » van thanh, ban hanh, van anh
hanh lai » hanh lam, hanh tai, thanh lap
mang xa » lang xa, mang may, dang xay
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
duc van » duc va, duc tan, duc manh
lai cua » dai cua, hai cua, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach thu) OR (sach thieu)) mang xa hoi. hieu va cac duc van hanh lai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach thu) OR (sach thieu)) mang xa hoi. hieu va cac duc van hanh lai cua triet".
• Adding a wildcard symbol may retrieve word variants: toc ((sach thu) OR (sach thieu)) mang xa hoi. hieu va cac duc van hanh lai cua triet*.