Perhaps you should try some spelling variations:
"elgar original reference" » "elgar original references", "elgar original conference", "elgar regional reference", "angr original reference", "einer original reference"
german originals » german original, german origins, german criminal
elgar originals » colour originals
"elgar marginal references" » "near marginal references"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elgar original reference") OR ("elgar marginal references"))) OR ("((elgar originals) or (german originals)) references")).
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• Adding a wildcard symbol may retrieve word variants: (((("elgar original reference") or ("elgar marginal references"))) or ("((elgar originals) or (german originals)) references"))*.