Perhaps you should try some spelling variations:
economics report » economies report, economy report, economics robert
recherches land » recherche dans, recherche und, recherches a
recherches dans » recherche dans, recherche des, recherche mais
economic report » economic reform, economic reforms, economic recovery
studie 2 » studie om

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

• Performing a fuzzy search may retrieve terms with similar spellings: studie 2 ((recherches land) OR (recherches dans)) ((economics report) or (economic report)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: studie 2 ((recherches land) OR (recherches dans)) ((economics report) OR (economic report)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "studie 2 ((recherches land) OR (recherches dans)) ((economics report) or (economic report)) ;*".