Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cua tre » cua te, cuu tre, dua tren
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
cac duc » cac du, cao duc, cac dac
su sach » so sach, vu sach
danh xa » danh ca, dinh xa, canh xa
ky danh » ky anh, ky dang
so sanh » do sanh
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac

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 sanh)) ky danh xa hoi. hieu ve cac duc va hanh de ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky danh xa hoi. hieu ve cac duc va hanh de ((cua tre) OR (cua triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sanh)) ky danh xa hoi. hieu ve cac duc va hanh de ((cua tre) OR (cua triet))*".