Perhaps you should try some spelling variations:
su sach » so sach, vu sach
cuu ban » cuu van, cua ban, cuu san
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
y hang » ly hang, ty hang, yu hang
va hoi » xa hoi, va hoc, va hoa

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 y hang va hoi. hieu ((ve cham) or (va cac)) cuu ban ((danh vi) OR (danh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y hang va hoi. hieu ((ve cham) OR (va cac)) cuu ban ((danh vi) OR (danh di)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y hang va hoi. hieu ((ve cham) or (va cac)) cuu ban ((danh vi) OR (danh di)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach y hang va hoi. hieu ((ve cham) or (va cac)) cuu ban ((danh vi) OR (danh di)) cua tre*.