Perhaps you should try some spelling variations:
"specimens philologiae slavicae" » "specimens philological slavicae", "specimina philologiae slavicae", "specimen philosophiae slavicae", "specimens philologica slavica", "specimens philologie slave"
"specimina philologica slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimina philologica slavica", "specimina philologie slave", "specimina 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 philologiae slavicae") OR ("specimina philologica slavicae")).
• Removing quotes may allow a broader search: (( specimens philologiae slavicae ) or ( specimina philologica slavicae )).
• Adding a wildcard symbol may retrieve word variants: (("specimens philologiae slavicae") or ("specimina philologica slavicae"))*.