Perhaps you should try some spelling variations:
institution politischer » institutionen politischer, institutionen politische, institutions political
della institution » della instituzione, della costitutione, odel institution
storia del » historia del, storia della, storia e
idee des » idee der
idee e » idee de, idee 3, idee _

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: storia del ((idee e) OR (idee des)) della institution politischer.
• Adding a wildcard symbol may retrieve word variants: storia del ((idee e) or (idee des)) della institution politischer*.