Perhaps you should try some spelling variations:
specimina philologica » specimina philologiae, specimens philological
specimen histological » specimens philological, specimen pathological, special histologic
histological slices » histological aspects, histological studies, histological samples

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 ( specimen histological slices )).
• Adding a wildcard symbol may retrieve word variants: (( specimina philologica slavica ) or ( specimen histological slices ))*.