Perhaps you should try some spelling variations:
"oecd workshop discussion papers" » "oecd workshop discussions papers", "oecd workshop session papers", "oecd workshop discussion part", "oecd workshop discussion panel", "second workshop discussion papers", "2nd workshop discussion papers", "3rd workshop discussion papers"
"world workers discussion papers" » "world blockers discussion papers", "world work discussion papers", "world markets discussion papers", "world workers discussion part", "world workers discussion panel", "world's workers discussion papers", "work workers discussion papers", "old workers discussion papers"
"world workers discussion paper" » "world blockers discussion paper", "world work discussion paper", "world markets discussion paper", "world's workers discussion paper", "work workers discussion paper", "old workers discussion paper"
"world works discussion papers" » "world works discussion part", "world works discussion panel", "world work discussion papers", "world words discussion papers", "world world discussion papers", "world wars discussion papers", "world networks discussion papers"

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: (((("world works discussion papers") OR ((("world workers discussion papers") OR ("world workers discussion paper"))))) OR ("oecd workshop discussion papers")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"world works discussion papers\") or (((\"world workers discussion papers\") OR (\"world workers discussion paper\"))))) or (\"oecd workshop discussion papers\"))".
• Removing quotes may allow a broader search: (((( world works discussion papers ) or ((( world workers discussion papers ) OR ( world workers discussion paper ))))) or ( oecd workshop discussion papers )).
• Adding a wildcard symbol may retrieve word variants: (((("world works discussion papers") or ((("world workers discussion papers") OR ("world workers discussion paper"))))) or ("oecd workshop discussion papers"))*.