Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
danh van » doanh van, dang van, dinh van
cac duc » cac du, cao duc, cac dac
su sach » vu sach
van hoi » van hoa, van hoc, van hoe
ky danh » ky anh, ky dang
so sach » so sanh, bo sach, co sach
hieu ve » hieu va, hieu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sach)) ky danh van hoi. hieu ve ((cac duc) or (cac dan)) ban thanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky danh van hoi. hieu ve ((cac duc) OR (cac dan)) ban thanh dai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky danh van hoi. hieu ve ((cac duc) or (cac dan)) ban thanh dai cua triet*.