Perhaps you should try some spelling variations:
specimens philosophiae » species philosophy, specimens philological, spencers philosophie
philosophiae slavicae » philologiae slavicae, philosophiae publice, philosophiae suae
specimina philologiae » specimina philologica, specimens philological
philosophers slavicae » philosophers france, philosophers have, philosophers american
specimens philologica » specimens philological, specimina philologica, specimen histological
species philosophers » species philosophy, sciences philosophers, grecian philosophers
philologica slavicae » philologica slavica, philologiae 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: (( specimen philosophiae slavicae ) OR ((((( ((specimens philosophiae) OR (specimina philologiae)) slavicae ) OR ( species philosophers slavicae ))) OR ( specimens philologica slavicae )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( specimen philosophiae slavicae ) or ((((( ((specimens philosophiae) OR (specimina philologiae)) slavicae ) or ( species philosophers slavicae ))) or ( specimens philologica slavicae ))))".
• Adding a wildcard symbol may retrieve word variants: (( specimen philosophiae slavicae ) or ((((( ((specimens philosophiae) OR (specimina philologiae)) slavicae ) or ( species philosophers slavicae ))) or ( specimens philologica slavicae ))))*.