Perhaps you should try some spelling variations:
"Elgar regional convergence" » "Elgar global convergence"
"elgar regional resilience" » "elgar regional science", "elgar operational resilience", "elter regional resilience", "algarve regional resilience", "war regional resilience"
"Elgar regional reference" » "Elgar regional conference", "Elgar regional differences"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("Elgar regional reference") OR ("Elgar regional convergence"))) OR ("elgar regional resilience")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"Elgar regional reference\") OR (\"Elgar regional convergence\"))) or (\"elgar regional resilience\"))".
• Removing quotes may allow a broader search: (((( Elgar regional reference ) OR ( Elgar regional convergence ))) or ( elgar regional resilience )).
• Adding a wildcard symbol may retrieve word variants: (((("Elgar regional reference") OR ("Elgar regional convergence"))) or ("elgar regional resilience"))*.