Perhaps you should try some spelling variations:
ban xanh » ban hanh, ban anh, ban banh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang ha » long ha
van cau » van dau, van hau, van chat
xuc ban » duc ban, cuc ban, quoc ban
xanh di » danh di, vanh dai, xanh tai
ha hoi » hoa hoi, ha noi, xa hoi
va cau » va cac, va dau, va cao
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty lang ha hoi. hieu ((va cau) OR (van cau)) xuc ban xanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty lang ha hoi. hieu ((va cau) OR (van cau)) xuc ban xanh di cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang ha hoi. hieu ((va cau) OR (van cau)) xuc ban xanh di cua te*.