Perhaps you should try some spelling variations:
"general philosophical fennica" » "general philosophy fennica", "moral philosophical fennica", "legal philosophical fennica", "general philosophical feminism", "general philosophical ethical", "general philosophical ethics"
"opera philosophia mechanica" » "opera philosophical mechanical", "opera philosophical mechanics", "opera philosophie mechanique", "opera philosophy mechanica", "pia philosophia mechanica", "verae philosophiae mechanica"
"opera philosophica fennica" » "opera philosophical feminism", "opera philosophical ethical", "opera philosophical medical", "several philosophical fennica"

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: (((("opera philosophica fennica") OR ("opera philosophia mechanica"))) OR ("general philosophical fennica")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"opera philosophica fennica\") OR (\"opera philosophia mechanica\"))) or (\"general philosophical fennica\"))".
• Removing quotes may allow a broader search: (((( opera philosophica fennica ) OR ( opera philosophia mechanica ))) or ( general philosophical fennica )).
• Adding a wildcard symbol may retrieve word variants: (((("opera philosophica fennica") OR ("opera philosophia mechanica"))) or ("general philosophical fennica"))*.