Perhaps you should try some spelling variations:
"specimina philologica slave" » "specimens philological slave", "specimina philologica sive", "specimina philologica slavicae", "specimina philologica slavica"
"specimina philologiae slave" » "specimens philological slave", "specimen philosophiae slave", "specimens philologicale slave", "specimina philologiae slavicae", "specimina filologia slava", "specimina philologica sive"
"specimina philologia sacra" » "specimens philological sacra", "specimina philosophia sacra", "specimina loimologia sacra", "specimina philologia musica"
"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 philologia sacra") OR ((((("specimina philologie slave") OR ("specimina philologica slave"))) OR ("specimina philologiae slave"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"specimina philologia sacra\") or (((((\"specimina philologie slave\") OR (\"specimina philologica slave\"))) or (\"specimina philologiae slave\"))))*".
• Removing quotes may allow a broader search: (( specimina philologia sacra ) or ((((( specimina philologie slave ) OR ( specimina philologica slave ))) or ( specimina philologiae slave ))))*.