Perhaps you should try some spelling variations:
"oecd economics department working paper" » "oecd economics development working paper", "oecd economics experiments working paper", "oecd economics government working paper", "oecd economics departments working paper", "oecd economics department boarding paper", "oecd economics department nursing paper", "oecd economic department working paper", "oecd economies department working paper", "world economics department working paper"
"kcd economics department working paper" » "kcd economics development working paper", "kcd economics experiments working paper", "kcd economics government working paper", "kcd economics departments working paper", "kcd economics department boarding paper", "kcd economics department nursing paper", "oecd economies department working paper", "land economics department working paper", "food economics department working paper"
"kcd economics department working papers" » "kcd economics development working papers", "kcd economics experiments working papers", "kcd economics government working papers", "kcd economics departments working papers", "kcd economics department boarding papers", "kcd economics department nursing papers", "oecd economies department working papers", "land economics department working papers", "food economics department working papers"
"kcd economics management working papers" » "kcd economics management work papers", "kcd economics management workshops papers", "oecd economies management working papers", "land economics management working papers", "food economics management 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 department working paper") OR ((("kcd economics department working paper") OR ((("kcd economics department working papers") OR ("kcd economics management working papers")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"oecd economics department working paper\") or (((\"kcd economics department working paper\") or (((\"kcd economics department working papers\") OR (\"kcd economics management working papers\"))))))".
• Removing quotes may allow a broader search: (( oecd economics department working paper ) or ((( kcd economics department working paper ) or ((( kcd economics department working papers ) OR ( kcd economics management working papers )))))).
• Adding a wildcard symbol may retrieve word variants: (("oecd economics department working paper") or ((("kcd economics department working paper") or ((("kcd economics department working papers") OR ("kcd economics management working papers"))))))*.