Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
sach thu » sach thue, sach thieu, sach tham
cham duc » pham duc, cham soc, pham duy
su tien » su hien, tu tieng, dau tien
duc ban » duc tan, duc van, dua ban
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sang ma » tang ma, nang ma, sang tao
xang ma » tang ma, nang ma, rang ma
kien » bien, vien, dien

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: thu sach thu ((xang ma) OR (sang ma)) hoi. hieu ve cham duc ban thanh lai ((su tien) OR (su kien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach thu ((xang ma) OR (sang ma)) hoi. hieu ve cham duc ban thanh lai ((su tien) or (su kien))~".
• Adding a wildcard symbol may retrieve word variants: thu sach thu ((xang ma) OR (sang ma)) hoi. hieu ve cham duc ban thanh lai ((su tien) or (su kien))*.