Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
sang xa » lang xa, sang ma, mang xa
song xa » song cua
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 ky ((sang xa) OR (song xa)) hoi. hieu ve cam ((xuc ban) OR (cuc ban)) thanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((sang xa) OR (song xa)) hoi. hieu ve cam ((xuc ban) or (cuc ban)) thanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((sang xa) OR (song xa)) hoi. hieu ve cam ((xuc ban) or (cuc ban)) thanh di cua vat*.