Perhaps you should try some spelling variations:
"specimens philosophiae slavicae" » "species philosophers slavicae", "specimens philological slavicae", "specimina philologiae slavicae", "specimens philosophiae publice", "specimens philosophiae suae", "specimens philosophie islamic"
"specimen philosophiae slavicae" » "specimen philosophiae publice", "specimen philosophiae suae", "specimen philosophie islamic"
"specimens philologiae slavicae" » "specimens philological slavicae", "specimina philologiae slavicae", "specimina philologica slavicae", "specimens philologica slavica", "specimens philologie slave"
"specimens philologica slavicae" » "specimens philological slavicae", "specimina philologica slavicae", "specimina philologiae slavicae", "specimens philologica slavica", "specimens philologie slave", "specimens philologica sive"
"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 philosophiae slavicae") OR ((((((("specimens philosophiae slavicae") OR ("specimens philologiae slavicae"))) OR ("species philosophy slavicae"))) OR ("specimens philologica slavicae"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"specimen philosophiae slavicae\") or (((((((\"specimens philosophiae slavicae\") OR (\"specimens philologiae slavicae\"))) or (\"species philosophy slavicae\"))) or (\"specimens philologica slavicae\"))))*".
• Removing quotes may allow a broader search: (( specimen philosophiae slavicae ) or ((((((( specimens philosophiae slavicae ) OR ( specimens philologiae slavicae ))) or ( species philosophy slavicae ))) or ( specimens philologica slavicae ))))*.