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

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