Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, va tinh, le thanh
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cuc ban » cua ban, cac ban, cuu ban
ban dan » ban hang, ban hanh, ban quan
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
dan va » doan va, dan ca, ban va
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky lang xa hoi. hieu ((ve cac) or (((va thanh) OR (ban thanh)))) cuc ban dan va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky lang xa hoi. hieu ((ve cac) OR (((va thanh) OR (ban thanh)))) cuc ban dan va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky lang xa hoi. hieu ((ve cac) or (((va thanh) OR (ban thanh)))) cuc ban dan va cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ky lang xa hoi. hieu ((ve cac) or (((va thanh) OR (ban thanh)))) cuc ban dan va cuu tre*.