Perhaps you should try some spelling variations:
"oecd economies developments working papers" » "oecd economics developments working papers", "oecd economies development working papers", "oecd economic developments working papers", "oecd economies developments sorting papers", "oecd economies development looking papers", "les economies developments working papers"
"oecd economics departments working papers" » "oecd economics department working papers", "oecd economics payments working papers", "oecd economics developments working papers", "oecd economics departments wrong papers", "oecd economics department boarding papers", "oecd economic departments working papers", "kcd economics departments working papers", "sound economics departments working papers"
"oecd economics departments working paper" » "oecd economics department working paper", "oecd economics payments working paper", "oecd economics developments working paper", "oecd economics departments wrong paper", "oecd economics department boarding paper", "oecd economic departments working paper", "kcd economics departments working paper", "sound economics departments working paper"
"world economics experiments during papers" » "world economic experiments during papers", "world proteomics experiments during papers", "world dynamics experiments during papers", "world economics experiences during papers", "world economics experiments modeling papers", "world economics experiments leading papers", "world economy experiments during papers", "food economics experiments during papers", "world economics experiments using papers", "world economics experiments turing's papers", "world economics experiments marking 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 papers") OR ("world economics experiments during papers"))) OR ("oecd economics departments working paper"))) OR ("oecd economies developments working papers")).
• Removing quotes may allow a broader search: (((((( oecd economics departments working papers ) or ( world economics experiments during papers ))) or ( oecd economics departments working paper ))) or ( oecd economies developments working papers )).
• Adding a wildcard symbol may retrieve word variants: (((((("oecd economics departments working papers") or ("world economics experiments during papers"))) or ("oecd economics departments working paper"))) or ("oecd economies developments working papers"))*.