Perhaps you should try some spelling variations:
institution politischer » institutionen politischer, institutionen politische, institutions political
totalen institution » totale institution
teoria delle » teoria della, teoria de, teoria dei
1 totalen » 1 totale, _ totalen, 21 totales
aree 1 » aree 11, tree 1

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 (storia della)) aree 1 totalen institution politischer".
• Adding a wildcard symbol may retrieve word variants: ((teoria delle) OR (storia della)) aree 1 totalen institution politischer*.