Perhaps you should try some spelling variations:
"23rd workshop discussion part" » "23rd workshop discussions part", "23rd workshop session part", "3rd workshop discussion part", "2nd workshop discussion part", "237 workshop discussion part"
"world works discussion paper" » "world work discussion paper", "world words discussion paper", "world workers discussion paper", "world wars discussion paper", "world world discussion paper", "world networks discussion paper", "world works 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 paper") OR ("23rd workshop discussion part")).
• Removing quotes may allow a broader search: (( world works discussion paper ) or ( 23rd workshop discussion part )).
• Adding a wildcard symbol may retrieve word variants: (("world works discussion paper") or ("23rd workshop discussion part"))*.