Perhaps you should try some spelling variations:
"specimens philological slavicae" » "specimina philologica slavicae", "specimen pathological slavicae", "specimina philologiae slavicae", "specimens philologica slavicae", "specimens philologica slavica", "specimens philologiae slavicae"
"specimen histological slavicae" » "specimen pathological slavicae", "special histologic slavicae", "aspects histological slavicae", "specimen histological slices", "specimen philologica slavicae", "specimen philologica slavica"
"specimen histological staging" » "specimen pathological staging", "special histologic staging", "aspects histological staging", "specimen histological staining", "specimen histological typing", "specimen histological grading"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"specimens philological slavicae\") OR (((\"specimen histological slavicae\") OR (\"specimen histological staging\"))))".
• Removing quotes may allow a broader search: (( specimens philological slavicae ) OR ((( specimen histological slavicae ) OR ( specimen histological staging )))).
• Adding a wildcard symbol may retrieve word variants: (("specimens philological slavicae") OR ((("specimen histological slavicae") OR ("specimen histological staging"))))*.