Perhaps you should try some spelling variations:
"specimina philologica slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimina philologica slavica", "specimina philologie slave", "specimina philologica sive"
"specimens philologiae slavicae" » "specimens philological slavicae", "specimina philologiae slavicae", "specimens philologica slavica", "specimens philologie slave"
"specimen philosophiae slavicae" » "specimen philosophiae publice", "specimen philosophie islamic"
"specimen philosophiae suae" » "specimen philosophicae sive", "specimen philosophicae quas", "specimen philosophiae essay"

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