Perhaps you should try some spelling variations:
"oecd economic departments working papers" » "oecd economics department working papers", "oecd economic experiments working papers", "oecd academic departments working papers", "oecd economic department working papers", "oecd economic departments wrong papers", "oecd economic department nursing papers"
"oecd economic management building papers" » "oecd economics management building papers", "oecd macroeconomic management building papers", "oecd dynamic management building papers", "oecd economic management building paper", "oecd economic management building parsers", "oecd economic management building pages"
"oecd economic statement working paper" » "oecd economy statement working paper", "oecd economic sentiment working paper", "oecd economic placement working paper", "oecd economic statements working paper", "oecd economic statement looping paper", "oecd economic statement making 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 economic departments working papers") OR ("oecd economic statement working paper"))) OR ("oecd economic management building papers")).
• Removing quotes may allow a broader search: (((( oecd economic departments working papers ) or ( oecd economic statement working paper ))) or ( oecd economic management building papers )).
• Adding a wildcard symbol may retrieve word variants: (((("oecd economic departments working papers") or ("oecd economic statement working paper"))) or ("oecd economic management building papers"))*.