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

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 (regional resilience)) ) OR ( elgar regional conference )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( elgar ((regional reference) OR (regional resilience)) ) or ( elgar regional conference ))".
• Adding a wildcard symbol may retrieve word variants: (( elgar ((regional reference) OR (regional resilience)) ) or ( elgar regional conference ))*.