Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
su triet » su viet, su tien, ve triet
thanh ky » hanh ky, than ky, thanh tay
xuc ban » duc ban, cuc ban, quoc ban
sach lo » sach dao, sach doi, sach hoi
so sach » so sanh, bo sach, co sach
hang ma » hang va, hang ca, nang ma
tang ma » mang may, tang van
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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: so sach lo ((hang ma) OR (tang ma)) hoi. hieu ((ve cam) OR (va cam)) xuc ban thanh ky su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach lo ((hang ma) OR (tang ma)) hoi. hieu ((ve cam) or (va cam)) xuc ban thanh ky su triet~".
• Adding a wildcard symbol may retrieve word variants: so sach lo ((hang ma) OR (tang ma)) hoi. hieu ((ve cam) or (va cam)) xuc ban thanh ky su triet*.