Perhaps you should try some spelling variations:
"oecd workshop discussion papers" » "oecd workshop discussions papers", "oecd workshop session papers", "oecd workshop discussion paper", "oecd workshop discussion part", "2nd workshop discussion papers", "3rd workshop discussion papers"
"second workshop discussion papers" » "second workshop discussions papers", "second workshop session papers", "second workshop discussion paper", "second workshop discussion part"
"words workshop discussion panel" » "words workshop discussions panel", "words workshop session panel", "words workshop discussion paper", "words workshop discussion part", "world workshop discussion panel", "worm workshop discussion panel", "records workshop discussion panel"
"world work discussion papers" » "world work discussion paper", "world work discussion part", "world world discussion papers", "world networks discussion papers", "world workshop discussions papers", "world works discussion papers", "worlds work discussion papers", "world word 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 work discussion papers") OR ((((("oecd workshop discussion papers") OR ("second workshop discussion papers"))) OR ("words workshop discussion panel")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"world work discussion papers\") or (((((\"oecd workshop discussion papers\") OR (\"second workshop discussion papers\"))) or (\"words workshop discussion panel\"))))".
• Removing quotes may allow a broader search: (( world work discussion papers ) or ((((( oecd workshop discussion papers ) OR ( second workshop discussion papers ))) or ( words workshop discussion panel )))).
• Adding a wildcard symbol may retrieve word variants: (("world work discussion papers") or ((((("oecd workshop discussion papers") OR ("second workshop discussion papers"))) or ("words workshop discussion panel"))))*.