Perhaps you should try some spelling variations:
working definitions » working definition
information agents » information age, information access, information about
changes climate » change climate, challenges climate, changing climate
agents working » events working, agency working, agents warning
causes climate » campus climate, cities climate, crisis climate

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: information agents working definitions ((causes climate) OR (changes climate))~.
• Adding a wildcard symbol may retrieve word variants: information agents working definitions ((causes climate) or (changes climate))*.