Perhaps you should try some spelling variations:
institution politischer » institutionen politischer, institutionen politische, institutions political
whole institution » die institution, eine institution
teoria delle » teoria della, storia della, teoria dei
teoria de » teoria della
2 whole » _ whole
idee 2 » idee 3, idee _, idee 4

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((teoria delle) OR (teoria de)) idee 2 whole institution politischer".
• Adding a wildcard symbol may retrieve word variants: ((teoria delle) OR (teoria de)) idee 2 whole institution politischer*.