Perhaps you should try some spelling variations:
"elgar original conference" » "elgar regional conference", "elgar retinal conference", "elgar regional conferences", "angr original conference", "einer original conference"
"elgar original references" » "elgar origin references", "elgar origins references", "elgar kriging references", "elgar regional references", "elgar origin referencess", "elgar digital references", "angr original references", "einer original references"
"elgar original reference" » "elgar regional reference", "elgar origin references", "elgar digital reference", "angr original reference", "einer original reference"
"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 original conference"))) OR ((("elgar original references") OR ("elgar marginal references")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elgar original reference\") OR (\"elgar original conference\"))) or (((\"elgar original references\") or (\"elgar marginal references\"))))".
• Removing quotes may allow a broader search: (((( elgar original reference ) OR ( elgar original conference ))) or ((( elgar original references ) or ( elgar marginal references )))).
• Adding a wildcard symbol may retrieve word variants: (((("elgar original reference") OR ("elgar original conference"))) or ((("elgar original references") or ("elgar marginal references"))))*.