Perhaps you should try some spelling variations:
"oecd economic appeasement working papers" » "oecd economic assessment working papers", "oecd economic emplacement working papers", "oecd economic placement working papers", "oecd economic agreement working papers", "oecd economic appointments working papers", "oecd economic appeasement working paper"
"oecd economic department boarding papers" » "oecd economics department boarding papers", "oecd academic department boarding papers", "oecd economic experiment boarding papers", "oecd economic department building papers", "oecd economic department boards papers", "oecd economic department working papers", "oecd economic department boarding pass", "oecd economic department boarding passes", "oecd economic department learning papers"
"oecd economic debasement working papers" » "oecd economic measurement working papers", "oecd economic management working papers", "oecd economic engagement working papers", "oecd economic department working papers", "oecd economic statement working papers", "oecd economic debasement working 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 department boarding papers") OR ((("oecd economic debasement working papers") OR ("oecd economic appeasement working papers")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"oecd economic department boarding papers\") or (((\"oecd economic debasement working papers\") OR (\"oecd economic appeasement working papers\"))))".
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• Adding a wildcard symbol may retrieve word variants: (("oecd economic department boarding papers") or ((("oecd economic debasement working papers") OR ("oecd economic appeasement working papers"))))*.