Perhaps you should try some spelling variations:
management working » management work, management workshops
second academic » beyond academic, secondary academic, beyond academia
academic patent » academic talent, academic content, academic papers
oecd economics » oecd economic, oecd economies, kcd economics
patent using » patient using, patens using, payment using
using panels » using panel, using pandas, using channels
paper » papers

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: (( second academic patent using panels ) OR ( oecd economics management working paper )).
• Adding a wildcard symbol may retrieve word variants: (( second academic patent using panels ) or ( oecd economics management working paper ))*.