Perhaps you should try some spelling variations:
economics department » economics development, economics experiments, economics management
economic department » economic debasement, academic department, economic experiment
department working » departments working, department boarding, department nursing
department boards » department boarding, department records, department chairs
department works » department work, department costs, department workflow
oecd economics » oecd economies, kcd economics, world economics
working papers » working paper
boards papers » boards panels, boards parents, boards part
works papers » books papers, world papers, work paper

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: (((( oecd economics department working papers ) OR ( oecd economics department works papers ))) OR ( oecd economic department boards papers )).
• Adding a wildcard symbol may retrieve word variants: (((( oecd economics department working papers ) or ( oecd economics department works papers ))) or ( oecd economic department boards papers ))*.