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

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: (((("specimina philologiae slavica") OR ("specimina philologie slave"))) OR ("specimina philologica slavicae"))*.
• Removing quotes may allow a broader search: (((( specimina philologiae slavica ) or ( specimina philologie slave ))) or ( specimina philologica slavicae ))*.