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

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("specimen philosophiae slavicae") OR ("specimen philologiae slavicae"))) OR ((((("species philosophers slavicae") OR ("speciess philosophiae slavicae"))) OR ("specimina philologiae slavicae")))).
• Removing quotes may allow a broader search: (((( specimen philosophiae slavicae ) or ( specimen philologiae slavicae ))) or ((((( species philosophers slavicae ) or ( speciess philosophiae slavicae ))) or ( specimina philologiae slavicae )))).
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