Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
thu bang » thu ban, thu hang, chu bang
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
sach thu » sach thue, sach thieu, sach tham
te sach » toc sach
dao duc » giao duc, tao duoc
cao duc » cao suc, giao duc, tao duoc
hieu va » lieu va, hieu qua
bang xa » lang xa, bang va, mang xa

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 thu bang xa hoi. hieu va ((cao duc) or (dao duc)) van hanh lai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thu bang xa hoi. hieu va ((cao duc) OR (dao duc)) van hanh lai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te sach thu bang xa hoi. hieu va ((cao duc) or (dao duc)) van hanh lai ((cua triet) or (cua viet))*.