Perhaps you should try some spelling variations:
specimina philologiae » specimina philologica, specimens philological
philosophiae slavicae » philologiae slavicae, philosophiae publice, philologica slavicae
philologiae slavica » philologiae slavicae, philologica slavica, philologica slavicae

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 ( specimen philosophiae slavicae )).
• Adding a wildcard symbol may retrieve word variants: (( specimina philologiae slavica ) or ( specimen philosophiae slavicae ))*.