Perhaps you should try some spelling variations:
"praktische philosophical" » "practice philosophical", "praktischer philosophie", "practical philosophical"
"praktischen philosophie" » "politischen philosophie", "zwischen philosophie", "analytische philosophie"
"politische philosophie" » "political philosophy"

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: (("praktische philosophie") OR ((("praktische philosophical") OR ((("praktischen philosophie") OR ("politische philosophie")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"praktische philosophie\") or (((\"praktische philosophical\") or (((\"praktischen philosophie\") OR (\"politische philosophie\"))))))".
• Removing quotes may allow a broader search: (( praktische philosophie ) or ((( praktische philosophical ) or ((( praktischen philosophie ) OR ( politische philosophie )))))).
• Adding a wildcard symbol may retrieve word variants: (("praktische philosophie") or ((("praktische philosophical") or ((("praktischen philosophie") OR ("politische philosophie"))))))*.