Perhaps you should try some spelling variations:
"oecd economics departments working paper" » "oecd economics department working paper", "oecd economics experiments working paper", "oecd economics payments working paper", "oecd economics department nursing paper", "oecd economics department work paper", "oecd economies departments working paper", "kcd economics departments working paper", "sound economics departments working paper"
"world economics departments working paper" » "world economics department working paper", "world economics experiments working paper", "world economics payments working paper", "world economics department nursing paper", "world economics department work paper", "world economic departments working paper", "world economies departments working paper", "world economy departments working paper"
"oecd economic departments wrong papers" » "oecd economics department wrong papers", "oecd economic experiments wrong papers", "oecd academic departments wrong papers", "oecd economic departments using papers", "oecd economic department long papers", "oecd economic departments from papers", "oecd economic departments long papers", "oecd economic departments kong papers", "oecd economic departments 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 economics departments working paper") OR ("world economics departments working paper"))) OR ("oecd economic departments wrong papers")).
• Removing quotes may allow a broader search: (((( oecd economics departments working paper ) or ( world economics departments working paper ))) or ( oecd economic departments wrong papers )).
• Adding a wildcard symbol may retrieve word variants: (((("oecd economics departments working paper") or ("world economics departments working paper"))) or ("oecd economic departments wrong papers"))*.