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

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 slavicae") OR ((("specimina philologica slavicae") OR ("specimina theologica sive")))).
• Removing quotes may allow a broader search: (( specimina philologiae slavicae ) or ((( specimina philologica slavicae ) or ( specimina theologica sive )))).
• Adding a wildcard symbol may retrieve word variants: (("specimina philologiae slavicae") or ((("specimina philologica slavicae") or ("specimina theologica sive"))))*.