Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tang mai » tang ma, tang tai, lang mai
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
va chat » van chat, va phat, cao chat
mai hoi » mai khoi, dai hoi, lai hoi
xuc van » duc van, luc van, vuc van
va cham » va tham
di cua » dai cua, doi cua, de cua
y tang » ky tang, 6 tang, 7 tang
ve cam » ve cham, ve cac, va cam

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 hoi. hieu ((ve cam) OR (((va cham) OR (va chat)))) xuc van thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y tang mai hoi. hieu ((ve cam) or (((va cham) OR (va chat)))) xuc van thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach y tang mai hoi. hieu ((ve cam) or (((va cham) OR (va chat)))) xuc van thanh di cua vat*.