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

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