Perhaps you should try some spelling variations:
"praktischer philosophie" » "praktische philosophie", "praktischen philosophie", "politischer philosophie"
"practical philosophical" » "political philosophical", "critical philosophical", "poetical philosophical"
"practice philosophical" » "partie philosophical", "pragmatics philosophical", "practice 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: (("praktischer philosophie") OR ((("practice philosophical") OR ("practical philosophical")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"praktischer philosophie\") or (((\"practice philosophical\") OR (\"practical philosophical\"))))".
• Removing quotes may allow a broader search: (( praktischer philosophie ) or ((( practice philosophical ) OR ( practical philosophical )))).
• Adding a wildcard symbol may retrieve word variants: (("praktischer philosophie") or ((("practice philosophical") OR ("practical philosophical"))))*.