Perhaps you should try some spelling variations:
"world workshop discussion paper" » "world workshop discussions paper", "world workshop session paper", "3rd workshop discussion paper", "oecd workshop discussion paper", "23rd workshop discussion paper", "world warshop discussion paper", "world worldhop discussion paper", "world workinghop discussion paper"
"world networks discussion papers" » "world networks diffusion papers", "world networks session papers", "world networks decision papers", "world networks discussion part", "world networks discussion panel", "world network discussion papers", "world networds discussion papers", "world networkers discussion papers"
"world works discussion papers" » "world works discussion part", "world works discussion panel", "world work discussion papers", "world words discussion papers", "world workers discussion papers", "world wars discussion papers", "world world discussion papers", "world working 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 networks discussion papers"))) OR ("world workshop discussion paper")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"world works discussion papers\") OR (\"world networks discussion papers\"))) or (\"world workshop discussion paper\"))".
• Removing quotes may allow a broader search: (((( world works discussion papers ) OR ( world networks discussion papers ))) or ( world workshop discussion paper )).
• Adding a wildcard symbol may retrieve word variants: (((("world works discussion papers") OR ("world networks discussion papers"))) or ("world workshop discussion paper"))*.