Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
dang van » hoang van, hang va
thanh vi » hanh vi, thanh va, thanh ve
tang van » hoang van, trong van, tang luan
sach tay » xach tay, sach hay, sach nay
va tham » van tham, va thanh, va thuat
tuc ban » thuc ban, truc ban, tu ban
va cham » va chat
vi cua » vai cua, di 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: toc sach tay ((dang van) or (tang van)) hoi. hieu ((va cham) or (va tham)) tuc ban thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tay ((dang van) OR (tang van)) hoi. hieu ((va cham) OR (va tham)) tuc ban thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach tay ((dang van) or (tang van)) hoi. hieu ((va cham) or (va tham)) tuc ban thanh vi cua te*.