Perhaps you should try some spelling variations:
institution politischer » institutionen politischer, institutionen politische, institutions political
dol institution » odel institution, odl institution, royal institution
teoria della » storia della
storia del » historia del, storia della, storia e
idee de » idee der, idee des, idee die
de dol » de don, de dos, de dom

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 (storia del)) idee de dol institution politischer.
• Adding a wildcard symbol may retrieve word variants: ((teoria della) or (storia del)) idee de dol institution politischer*.