Perhaps you should try some spelling variations:
philosophical methods » philosophical meditations
philosophical ethos » philosophical method, philosophical ethics, philosophical ethic
philosophic method » philosophical method, philosophie methode, philosophy method

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: %((((philosophic method) OR (philosophical ethos))) OR (philosophical methods))%22.
• Adding a wildcard symbol may retrieve word variants: %((((philosophic method) or (philosophical ethos))) or (philosophical methods))%22*.