Perhaps you should try some spelling variations:
"politischen bedeutung" » "politische bedeutung", "klinischen bedeutung", "praktischen bedeutung"
"politischen reden" » "politischen denken", "politischen denkens"
"politischen raum" » "stadtischen raum"

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: (((("politischen reden") OR ("politischen bedeutung"))) OR ("politischen raum")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"politischen reden\") OR (\"politischen bedeutung\"))) or (\"politischen raum\"))".
• Removing quotes may allow a broader search: (((( politischen reden ) OR ( politischen bedeutung ))) or ( politischen raum )).
• Adding a wildcard symbol may retrieve word variants: (((("politischen reden") OR ("politischen bedeutung"))) or ("politischen raum"))*.