Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh de » hanh de, thanh ve, thanh do
lang van » dang van, hoang van, giang van
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
tuc ban » thuc ban, truc ban, tu ban
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay
ve cam » ve cham, ve cac, va cam
de cua » le cua, te cua, dieu 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 ((lang xa) or (((lang van) or (tang van)))) hoi. hieu ve cam tuc ban thanh de cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((lang xa) OR (((lang van) OR (tang van)))) hoi. hieu ve cam tuc ban thanh de cua vat.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((lang xa) or (((lang van) or (tang van)))) hoi. hieu ve cam tuc ban thanh de cua vat*.