Perhaps you should try some spelling variations:
distribution politiche » distribution political, distributional politics, distribution policy
delta distribution » data distribution, beta distribution, la distribution
historia delle » storia delle, historia degl, historia desde
historia del » historia de

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: ((historia delle) OR (historia del)) idee _ delta distribution politiche.
• Adding a wildcard symbol may retrieve word variants: ((historia delle) or (historia del)) idee _ delta distribution politiche*.