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

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: "((\"practice philosophical\") or (\"((praktischen philosophie) OR (politische philosophie))\"))".
• Removing quotes may allow a broader search: (( practice philosophical ) or ( ((praktischen philosophie) or (politische philosophie)) )).