Perhaps you should try some spelling variations:
"world workshop discussion papers" » "world workshop discussions papers", "world workshop session papers", "world workshop discussion part", "world workshop discussion panel", "3rd workshop discussion papers", "oecd workshop discussion papers", "world works discussion papers"
"world herds discussion paper" » "world here discussion paper", "world needs discussion paper", "world seeds discussion paper", "world heroes discussion paper", "world hands discussion paper", "world harms discussion paper"

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 herds discussion paper") OR ("world workshop discussion papers")).
• Removing quotes may allow a broader search: (( world herds discussion paper ) or ( world workshop discussion papers )).
• Adding a wildcard symbol may retrieve word variants: (("world herds discussion paper") or ("world workshop discussion papers"))*.