Perhaps you should try some spelling variations:
"world workshop discussion part" » "world workshop discussions part", "world workshop session part", "world workshop discussion paper", "3rd workshop discussion part", "oecd workshop discussion part", "23rd workshop discussion part", "world warshop discussion part", "world worldhop discussion part", "world networkshop discussion part"
"world works discussion papers" » "world works discussion paper", "world work discussion papers", "world words discussion papers", "world workers discussion papers", "world wars discussion papers", "world world discussion papers", "world networks discussion papers"
"world works discussion panel" » "world work discussion panel", "world words discussion panel", "world workers discussion panel", "world works discussion paper", "world wars discussion panel", "world world discussion panel", "world networks discussion panel"

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