Perhaps you should try some spelling variations:
"specimens philological slave" » "specimina philologica slave", "specimina philologiae slave", "species physiological slave", "specimens philologica sive", "specimens philologica slavicae", "specimens philological essays"
"specimen histological slavicae" » "special histologic slavicae", "aspects histological slavicae", "device histological slavicae", "specimen histological slices", "specimen philologica slavicae", "specimen histological staging"
"specimen pathological slavicae" » "specific pathological slavicae", "species pathologic slavicae", "spleen pathological slavicae", "specimen pathological survival", "specimen philologica slavicae", "specimen pathological staging"
"specimina philologie slave" » "specimina philologiae slave", "specimina philologica 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 histological slavicae") OR ("specimen pathological slavicae"))) OR ((("specimina philologie slave") OR ("specimens philological slave")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"specimen histological slavicae\") or (\"specimen pathological slavicae\"))) or (((\"specimina philologie slave\") OR (\"specimens philological slave\"))))".
• Removing quotes may allow a broader search: (((( specimen histological slavicae ) or ( specimen pathological slavicae ))) or ((( specimina philologie slave ) OR ( specimens philological slave )))).
• Adding a wildcard symbol may retrieve word variants: (((("specimen histological slavicae") or ("specimen pathological slavicae"))) or ((("specimina philologie slave") OR ("specimens philological slave"))))*.