Perhaps you should try some spelling variations:
"world bank discussion papers" » "world bank discussion paper", "world banks discussion papers", "world book discussion papers", "world work discussion papers"
"World Bank discussion panel" » "World Bank discussion paper"
"World Bank discussion part" » "World Bank discussion paper"

Try widening your search to All Fields.

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