Perhaps you should try some spelling variations:
"praktische philosophical" » "practice philosophical", "praktischen philosophie", "praktischer philosophie"
"politischen philosophie" » "politische philosophie", "theoretische philosophie"
"praktische philosophie" » "politische philosophie"

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 ("politischen philosophie")))).
• Removing quotes may allow a broader search: (( praktische philosophie ) or ((( praktische philosophical ) or ( politischen philosophie )))).
• Adding a wildcard symbol may retrieve word variants: (("praktische philosophie") or ((("praktische philosophical") or ("politischen philosophie"))))*.