Perhaps you should try some spelling variations:
"specimens philosophiae slavicae" » "species philosophy slavicae", "species philosophers slavicae", "specimens philological slavicae", "specimens philologica slavicae", "specimens philosophiae suae", "specimens philosophie islamic"
"specimen philosophiae slavicae" » "specimen philologica slavicae", "specimen philosophiae suae", "specimen philosophie islamic"
"specimen philologiae slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimina philologica slavicae", "specimen philologica slavicae", "specimen philologica slavica", "specimen philologie slave"
"specimen philosophiae publice" » "specimen philosophy public"

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: (((((("specimen philosophiae slavicae") OR ("specimen philologiae slavicae"))) OR ("specimen philosophiae publice"))) OR ("specimens philosophiae slavicae")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"specimen philosophiae slavicae\") OR (\"specimen philologiae slavicae\"))) or (\"specimen philosophiae publice\"))) or (\"specimens philosophiae slavicae\"))".
• Removing quotes may allow a broader search: (((((( specimen philosophiae slavicae ) OR ( specimen philologiae slavicae ))) or ( specimen philosophiae publice ))) or ( specimens philosophiae slavicae )).
• Adding a wildcard symbol may retrieve word variants: (((((("specimen philosophiae slavicae") OR ("specimen philologiae slavicae"))) or ("specimen philosophiae publice"))) or ("specimens philosophiae slavicae"))*.