Perhaps you should try some spelling variations:
"specimen histological slavicae" » "specimens philological slavicae", "specimen pathological slavicae", "special histologic slavicae", "specimen histological slices", "specimen philologica slavicae", "specimen histological staging"
"specimina philologiae slavicae" » "specimina philologica slavicae", "specimens philological slavicae", "specimen philosophiae slavicae", "specimina philologica slavica", "specimina philologie slave"

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