Perhaps you should try some spelling variations:
"species physiological polemical" » "species philological polemical", "species physiological biochemical", "species physiological ecological", "specific physiological polemical", "acids physiological polemical", "species biological polemical"
"specimens philological slavicae" » "specimen pathological slavicae", "specimina philologiae slavicae", "specimens radioecological slavicae", "specimens philologica slavica", "specimens philologiae slavicae", "specimens philological polemical"
"specimina philologica slavicae" » "specimina philologiae slavicae", "specimina philologica slavica", "specimina philologie slave"
"specimen histological slavicae" » "specimen pathological slavicae", "special histologic slavicae", "aspects histological slavicae", "specimen histological slices", "specimen histological staging", "specimen philologica slavica"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("specimina philologica slavicae") OR ((((("specimens philological slavicae") OR ("species physiological polemical"))) OR ("specimen histological slavicae")))).
• Removing quotes may allow a broader search: (( specimina philologica slavicae ) or ((((( specimens philological slavicae ) or ( species physiological polemical ))) or ( specimen histological slavicae )))).
• Adding a wildcard symbol may retrieve word variants: (("specimina philologica slavicae") or ((((("specimens philological slavicae") or ("species physiological polemical"))) or ("specimen histological slavicae"))))*.