Perhaps you should try some spelling variations:
economics report » economies report, economy report, economic support
economics robert » economics poverty, economy robert, economics liberia
economic report » economic reform, economic reforms, economic recovery
recherche land » recherche dans, recherche und, recherche prend
om recherche » la recherche, de recherche, en recherche
studie om » 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: studie om recherche land ((((economics report) OR (economics robert))) or (economic report)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: studie om recherche land ((((economics report) OR (economics robert))) OR (economic report)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "studie om recherche land ((((economics report) OR (economics robert))) or (economic report)) ;*".