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