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 economics departments working papers", "oecd economic debasements working papers", "oecd economic departments wrong papers", "oecd economic department nursing papers", "oecd economic department work papers"
"oecd economic department working papers" » "oecd economics department working papers", "oecd economic debasement working papers", "oecd economic experiment working papers", "oecd economic department nursing papers", "oecd economic department work papers", "oecd economic department solving papers"
"oecd economic department boarding papers" » "oecd economics department boarding papers", "oecd economic debasement boarding papers", "oecd economic experiment boarding papers", "oecd economic department building papers", "oecd economic department boards papers", "oecd economic department providing papers", "oecd economic department boarding pass", "oecd economic department boarding passes", "oecd economic department learning papers"
"oecd economic department working paper" » "oecd economics department working paper", "oecd economic debasement working paper", "oecd economic experiment working paper", "oecd economic department nursing paper", "oecd economic department work paper", "oecd economic department solving paper"
"oecd academic department working papers" » "oecd academic departments working papers", "oecd academic patent working papers", "oecd academic development working papers", "oecd academic department nursing papers", "oecd academic department work papers", "oecd academic department solving papers", "lead academic department working papers", "second academic department working papers", "world 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 department boarding papers"))) OR ("oecd economic departments working papers"))) OR ("oecd academic department working papers"))) OR ("oecd economic department working paper")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"oecd economic department working papers\") OR (\"oecd economic department boarding papers\"))) or (\"oecd economic departments working papers\"))) or (\"oecd academic department working papers\"))) or (\"oecd economic department working paper\"))".
• Removing quotes may allow a broader search: (((((((( oecd economic department working papers ) OR ( oecd economic department boarding papers ))) or ( oecd economic departments working papers ))) or ( oecd academic department working papers ))) or ( oecd economic department working paper )).
• Adding a wildcard symbol may retrieve word variants: (((((((("oecd economic department working papers") OR ("oecd economic department boarding papers"))) or ("oecd economic departments working papers"))) or ("oecd academic department working papers"))) or ("oecd economic department working paper"))*.