Perhaps you should try some spelling variations:
"praktische philosophical" » "praktische philosophie", "practice philosophical", "praktischen philosophie"
"practical philosophical" » "practice philosophical", "political philosophical", "critical philosophical"

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 philosophical") OR ("practical philosophical"))*.
• Removing quotes may allow a broader search: (( praktische philosophical ) or ( practical philosophical ))*.