Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
sach tay » xach tay, sach hay, sach nay
tay tang » tay lang, tay trung, tay quang
su sach » so sach, vu sach
tang ma » mang may, tang van
va cham » va chat
va tham » van tham, va thanh, va thuat
luc ban » duc ban, cuc ban, luc bat
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet

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 tay tang ma hoa. hieu ((va cham) OR (va tham)) luc ban thanh tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tay tang ma hoa. hieu ((va cham) OR (va tham)) luc ban thanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach tay tang ma hoa. hieu ((va cham) OR (va tham)) luc ban thanh tai cua tre*.