Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
dang xay » dang van
thanh vi » hanh vi, thanh va, thanh ve
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, truc van, tuc va
cua duc » cua tuc, cua nuoc, cua quoc
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((dang xay) OR (van xay)) hoi. hieu ((va cam) OR (ve cham)) tuc van thanh vi cua duc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((dang xay) OR (van xay)) hoi. hieu ((va cam) or (ve cham)) tuc van thanh vi cua duc~".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((dang xay) OR (van xay)) hoi. hieu ((va cam) or (ve cham)) tuc van thanh vi cua duc*.