Perhaps you should try some spelling variations:
department building » apartment building, apartment buildings, deployment building
departments working » departments wrong, department work, departments using
department nursing » department guessing, departments using, department getting
department working » department boarding, department work, department solving
oecd economics » oecd economic, kcd economics, world economics
oecd economies » oecd economic

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 economics ((department nursing) OR (department building)) papers\") or (\"oecd economies ((departments working) OR (department working)) papers\"))".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((\\"oecd economics ((department nursing) or (department building)) papers\\") or (\\"oecd economies ((departments working) OR (department working)) papers\\"))\"".
• Removing quotes may allow a broader search: (( oecd economics ((department nursing) or (department building)) papers ) or ( oecd economies ((departments working) OR (department working)) papers )).