Perhaps you should try some spelling variations:
"specimens philologiae slavicae" » "specimens philological slavicae", "specimina philologiae slavicae", "specimen philosophiae slavicae", "specimens philologica slavicae", "specimens philologie slave", "specimens philologiae slavice"
"specimens philologica slavica" » "specimens philological slavica", "specimina philologica slavica", "specimina philologiae slavica", "specimens philologica slavic"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("specimens philologiae slavicae") OR ("specimens philologica slavica")).
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