Perhaps you should try some spelling variations:
comparative macroeconomic » comparative economic, comprehensive macroeconomic, comparative economics
macroeconomic studies » microeconomic studies, macroeconomic series, macroeconomic sources
comparative genomic » comparative genomics
frank comparative » france comparative, rana comparative, tank comparative
bank comparative » tank comparative, dark comparative, talk comparative
genomic studies » genetic studies, economic studies
world trans » world trends, world traces, world travis
world frank » world france, old frank, wild frank
world tank » world task, world tasks, world ten

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