Perhaps you should try some spelling variations:
"specimen pathological slavicae" » "specific pathological slavicae", "specimens philological slavicae", "species pathologic slavicae", "specimen pathological survival", "specimen pathological state", "specimen pathological sequelae"
"specimen pathological staging" » "specific pathological staging", "specimens philological staging", "species pathologic staging", "specimen pathological states", "specimen pathological findings", "specimen pathological gambling"
"specimen philologica slavicae" » "specimens philological slavicae", "specimina philologica slavicae", "specimen histological slavicae", "specimen philologica slavica", "specimen philologiae slavicae", "specimen philologie slave"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("specimen philologica slavicae") OR ((("specimen pathological slavicae") OR ("specimen pathological staging")))).
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