Perhaps you should try some spelling variations:
technologies deployment » technologies development, technology deployment, technology employment
economies department » economics department, technologies department, economies development
boarding papers » working papers, boarding pass, boarding passes

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 ((economies department) OR (technologies deployment)) boarding papers.
• Adding a wildcard symbol may retrieve word variants: oecd ((economies department) or (technologies deployment)) boarding papers*.