Perhaps you should try some spelling variations:
economic agenda » economic agents, economic agency, economic calendar
economic agent » economic agents, economic rent, economic rents
recherche aid » recherche mais, recherche a, recherche au
e recherche » de recherche, en recherche, et recherche
studi e » studi per, studia ve, studie 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: studi e recherche aid ((economic agenda) OR (economic agent)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "studi e recherche aid ((economic agenda) OR (economic agent)) ;".
• Adding a wildcard symbol may retrieve word variants: studi e recherche aid ((economic agenda) OR (economic agent)) ;*.