Perhaps you should try some spelling variations:
specimens philosophiae » species philosophers, specimina philologiae, spencers philosophie
specimens philological » specimina philologica, specimen histological, specimen pathological
philosophiae slavicae » philologiae slavicae, philosophiae publice, philosophiae suae
philological slavicae » philologica slavica, philologiae slavicae, philological polemical
specimens philologica » specimina philologica, specimina philologiae, specimen histological
philologica slavicae » philologica slavica, philologiae slavicae, philologie slave
speaking philosophy » meaning philosophy, making philosophy, screening philosophy
species philosophy » aspects philosophy, sciences philosophy, theories philosophy

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 slavicae ) OR ( specimens philological slavicae ))) OR ( ((species philosophy) OR (speaking philosophy)) slavicae ))) OR ( specimens philologica slavicae )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( specimen philosophiae slavicae ) or ((((((( specimens philosophiae slavicae ) or ( specimens philological slavicae ))) or ( ((species philosophy) OR (speaking philosophy)) slavicae ))) or ( specimens philologica slavicae ))))".
• Adding a wildcard symbol may retrieve word variants: (( specimen philosophiae slavicae ) or ((((((( specimens philosophiae slavicae ) or ( specimens philological slavicae ))) or ( ((species philosophy) OR (speaking philosophy)) slavicae ))) or ( specimens philologica slavicae ))))*.