Perhaps you should try some spelling variations:
economies deployment » economies development, economies developments, economic employment
oecd economies » oecd economic
adding proper » adding power, adding props, adding probes
adding paper » adding player, adding page, adding pages

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 deployment ((adding paper) OR (adding proper)).
• Adding a wildcard symbol may retrieve word variants: oecd economies deployment ((adding paper) or (adding proper))*.