Perhaps you should try some spelling variations:
distribution political » distribution policy, distributions statistical
mile distribution » miles distribution, file distribution, milk distribution
teoria della » storia della
historia del » historia de
idee bis » idee des, idee die
bis mile » bis mitte, bis maple, bis mit

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: ((teoria della) OR (historia del)) idee bis mile distribution political.
• Adding a wildcard symbol may retrieve word variants: ((teoria della) or (historia del)) idee bis mile distribution political*.