Perhaps you should try some spelling variations:
"specimina philologica slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimina philologica slavica", "specimina philologie slave"
"specimen philosophie islamic" » "medien philosophie islamic", "rechten philosophie islamic", "reinen philosophie islamic", "specimen philosophy islamic", "specimen philosophie analytic", "specimen philosophie bismarck"
"specimen philosophy public" » "special philosophy public", "sentiment philosophy public", "leiden philosophy public", "specimen philosophy physick", "specimen philosophy physics"
"species philosophy slavicae" » "species philosophy classical", "species philosophy logical", "species philosophy islamic", "aspects philosophy slavicae", "sciences philosophy slavicae", "speaking philosophy slavicae"

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 philosophie islamic") OR ((("specimen philosophiae publice") OR ("specimen philosophy public"))))) OR ((("species philosophy slavicae") OR ("specimina philologica slavicae"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"specimen philosophie islamic\") or (((\"specimen philosophiae publice\") OR (\"specimen philosophy public\"))))) or (((\"species philosophy slavicae\") or (\"specimina philologica slavicae\"))))*".
• Removing quotes may allow a broader search: (((( specimen philosophie islamic ) or ((( specimen philosophiae publice ) OR ( specimen philosophy public ))))) or ((( species philosophy slavicae ) or ( specimina philologica slavicae ))))*.