Perhaps you should try some spelling variations:
"specimens philological slavea" » "specimina philologica slavea", "specimen histological slavea", "specimen pathological slavea", "specimens philologica slavica", "specimens philologica slavicae", "specimens philologie slave"
"specimina philologiae slavicae" » "specimina philologica slavicae", "specimen philosophiae slavicae", "specimina philologica slavica", "specimina philologie slave"
"specimina philologie slavea" » "specimina philologica slavea", "specimina philologie slave", "specimina philologica slavica", "specimina philologia sacra"

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