Perhaps you should try some spelling variations:
"oecd economic department working papers" » "oecd economics department working papers", "oecd economic experiment working papers", "oecd economic treatment working papers", "oecd economic departments working papers", "oecd economic department nursing papers", "oecd economic department work papers", "oecd economic department working paper"
"oecd economic department boarding paper" » "oecd economics department boarding paper", "oecd economic experiment boarding paper", "oecd economic treatment boarding paper", "oecd economic department building paper", "oecd economic department boards paper", "oecd economic department providing paper", "oecd economic department boarding passes", "oecd economic department working paper", "oecd economic department boarding pass"
"oecd economic debasement working papers" » "oecd economic measurement working papers", "oecd economic appeasement working papers", "oecd economic management working papers", "oecd economic statement working papers", "oecd economic deployment working papers", "oecd economic debasement working paper"
"lead academic department working papers" » "lead academic departments working papers", "lead academic patent working papers", "lead academic development working papers", "lead academic department nursing papers", "lead academic department work papers", "lead academic department working paper", "learn academic department working papers", "leave academic department working papers", "bad academic department working papers"

Try widening your search to All Fields.

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 department working papers") OR ("oecd economic debasement working papers"))) OR ("lead academic department working papers"))) OR ("oecd economic department boarding paper")).
• Removing quotes may allow a broader search: (((((( oecd economic department working papers ) or ( oecd economic debasement working papers ))) or ( lead academic department working papers ))) or ( oecd economic department boarding paper )).
• Adding a wildcard symbol may retrieve word variants: (((((("oecd economic department working papers") or ("oecd economic debasement working papers"))) or ("lead academic department working papers"))) or ("oecd economic department boarding paper"))*.