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

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 ((((((("specimens philosophiae slavicae") OR ("specimens philologiae slavicae"))) OR ("speciess philosophiae slavicae"))) OR ("specimens philologie slave")))).
• 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 (\"speciess philosophiae slavicae\"))) or (\"specimens philologie slave\"))))".
• Removing quotes may allow a broader search: (( specimen philosophiae slavicae ) or ((((((( specimens philosophiae slavicae ) OR ( specimens philologiae slavicae ))) or ( speciess philosophiae slavicae ))) or ( specimens philologie slave )))).
• Adding a wildcard symbol may retrieve word variants: (("specimen philosophiae slavicae") or ((((((("specimens philosophiae slavicae") OR ("specimens philologiae slavicae"))) or ("speciess philosophiae slavicae"))) or ("specimens philologie slave"))))*.