Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tang mai » tang tai, lang mai, sang mai
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
tang ma » mang may, tang van
xuc van » duc van, luc van, vuc van
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de 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: tu sach y ((tang mai) OR (tang ma)) hoi. hieu ((ve cam) OR (va cham)) xuc van thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y ((tang mai) OR (tang ma)) hoi. hieu ((ve cam) or (va cham)) xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach y ((tang mai) OR (tang ma)) hoi. hieu ((ve cam) or (va cham)) xuc van thanh di cua vat*.