Perhaps you should try some spelling variations:
philosophical ethoss » philosophical methods, philosophical ethics, philosophical method
philosophical ethos » philosophical methods, philosophical method, philosophical ethics
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: %((((philosophical ethos) OR (philosophical ethoss))) OR (philosophic method))%22.
• Adding a wildcard symbol may retrieve word variants: %((((philosophical ethos) or (philosophical ethoss))) or (philosophic method))%22*.