Perhaps you should try some spelling variations:
"elgar regional resilience" » "elgar regional science", "elgar operational resilience", "elter regional resilience", "algarve regional resilience", "war regional resilience"
"elgar original references" » "elgar origins references", "elgar marginal references", "elgar kriging references", "angr original references", "einer original references", "algal original references", "solar original references", "ear originsal references"
"elgar regional reference" » "elgar regional conference", "elgar regional differences", "elgar regional convergence", "elter regional reference", "algarve regional reference", "war regional reference"
"elgar origin references" » "elgar edition references", "elgar design references", "algal origin references", "solar origin references", "ear origins references"
"elgar brain references" » "elgar design 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 regional reference") OR ("elgar regional resilience"))) OR ((("elgar original references") OR ((("elgar origin references") OR ("elgar brain references")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"elgar regional reference\") OR (\"elgar regional resilience\"))) or (((\"elgar original references\") or (((\"elgar origin references\") or (\"elgar brain references\"))))))".
• Removing quotes may allow a broader search: (((( elgar regional reference ) OR ( elgar regional resilience ))) or ((( elgar original references ) or ((( elgar origin references ) or ( elgar brain references )))))).
• Adding a wildcard symbol may retrieve word variants: (((("elgar regional reference") OR ("elgar regional resilience"))) or ((("elgar original references") or ((("elgar origin references") or ("elgar brain references"))))))*.