Perhaps you should try some spelling variations:
delle istituzioni » delle distribuzioni, e istituzioni
historia delle » storia delle, historia degl, historia desde
historia del » historia de
de delle » de delley, de dolle, de derde
idee de » idee der, idee des, idee die

Try widening your search to All Fields.

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 de delle istituzioni (politiche" or politische").
• Removing quotes may allow a broader search: ((historia delle) or (historia del)) idee de delle istituzioni (politiche or politische ).
• Adding a wildcard symbol may retrieve word variants: "((historia delle) or (historia del)) idee de delle istituzioni (politiche" or politische")*.