Perhaps you should try some spelling variations:
"specimens philological slavicae" » "specimina philologica slavicae", "specimen histological slavicae", "specimen pathological slavicae", "specimens philologica slavicae", "specimens philologica slavica", "specimens philological polemical"
"specimens philologiae slavicae" » "specimina philologiae slavicae", "specimina philologica slavicae", "specimens philologica slavicae", "specimens philologica slavica", "specimens philologie slave"
"specimen philosophiae slavicae" » "specimen philosophiae publice", "specimen philologica slavicae", "specimen philosophiae suae"

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