Perhaps you should try some spelling variations:
employment development » employee development, development development, environment development
special economic » social economic
legal economic » global economic, regional economic, general economic
local economic » global economic, social economic
paper » 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: oecd ((((legal economic) OR (((special economic) OR (spatial economics))))) OR (local economic)) AND employment development (leed) working paper.
• The words AND, OR and NOT may confuse the search; try adding quotes: "oecd ((((legal economic) or (((special economic) OR (spatial economics))))) or (local economic)) and employment development (leed) working paper".
• Adding a wildcard symbol may retrieve word variants: oecd ((((legal economic) or (((special economic) OR (spatial economics))))) or (local economic)) and employment development (leed) working paper*.