Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thu bang » thu hang, chu bang, thu trang
thanh ve » hanh ve, thanh va, thanh vien
su sach » so sach, vu sach
thu ban » thu hang
qua cai » qua hai, qua cac, qua ca
cai duc » cao duc, mai duc, hoai duc
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((thu bang) OR (thu ban)) xa hoi. hieu qua cai duc tan thanh ve ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((thu bang) OR (thu ban)) xa hoi. hieu qua cai duc tan thanh ve ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: su sach ((thu bang) OR (thu ban)) xa hoi. hieu qua cai duc tan thanh ve ((cua tre) or (cua te))*.