Perhaps you should try some spelling variations:
comparative macroeconomic » comparative economic, comprehensive macroeconomic, alternative macroeconomic
macroeconomic studies » microeconomic studies, macroeconomic series, macroeconomic sources
comparative economics » comparative economic, comparative genomics, comparative genomic
economics studies » economic studies, economics students, economics study
tank comparative » talk comparative, dark comparative, mutans comparative
bank comparative » dark comparative, talk comparative, banking comparative
world france » world finance, gold france, old france
world frank » old frank, wild frank, world brand
world tank » world task, world tasks, world trans

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: (((( the world tank comparative macroeconomic studies ) OR ( the ((world frank) OR (world france)) comparative macroeconomic studies ))) OR ( the world bank comparative economics studies )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( the world tank comparative macroeconomic studies ) or ( the ((world frank) OR (world france)) comparative macroeconomic studies ))) or ( the world bank comparative economics studies ))".
• Adding a wildcard symbol may retrieve word variants: (((( the world tank comparative macroeconomic studies ) or ( the ((world frank) OR (world france)) comparative macroeconomic studies ))) or ( the world bank comparative economics studies ))*.