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