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

Try widening your search to All Fields.

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 philosophiae slavica") OR ("((specimina philologie) or (specimina philologica)) slave"))) OR ("specimina philologiae slavicae")).
• Removing quotes may allow a broader search: (((( specimen philosophiae slavica ) or ( ((specimina philologie) or (specimina philologica)) slave ))) or ( specimina philologiae slavicae )).
• Adding a wildcard symbol may retrieve word variants: (((("specimen philosophiae slavica") or ("((specimina philologie) or (specimina philologica)) slave"))) or ("specimina philologiae slavicae"))*.