Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach tay » xach tay, sach hay, sach nay
tay lang » tai lang, tay tang, tay quang
thanh le » thinh le, thanh ve, thanh de
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
tuc ban » thuc ban, truc ban, tu ban
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cao, va cai
le cua » ly cua

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 tay lang xa hoi. hieu ((ve cam) or (((va cam) OR (va cac)))) tuc ban thanh le cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tay lang xa hoi. hieu ((ve cam) OR (((va cam) OR (va cac)))) tuc ban thanh le cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tay lang xa hoi. hieu ((ve cam) or (((va cam) OR (va cac)))) tuc ban thanh le cua vat".
• Adding a wildcard symbol may retrieve word variants: tu sach tay lang xa hoi. hieu ((ve cam) or (((va cam) OR (va cac)))) tuc ban thanh le cua vat*.