Perhaps you should try some spelling variations:
specimina philologica » specimens philological
specimina philologiae » specimens philological, specimen philosophiae
philologiae slavicae » philologica slavicae, philologie 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 philologica slavica ) OR ( specimina philologiae slavicae )).
• Adding a wildcard symbol may retrieve word variants: (( specimina philologica slavica ) or ( specimina philologiae slavicae ))*.