Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
dang xay » dang van, van xay
thanh le » thinh le, thanh ve, thanh de
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty dang » ty xang, ky dang, ty hang
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
cam tu » cam thu, nam tu, dam tu
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty dang xay hoi. hieu ve ((cam tu) or (cam xuc)) ban thanh le cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty dang xay hoi. hieu ve ((cam tu) OR (cam xuc)) ban thanh le cua vat.
• Adding a wildcard symbol may retrieve word variants: tu sach ty dang xay hoi. hieu ve ((cam tu) or (cam xuc)) ban thanh le cua vat*.