Perhaps you should try some spelling variations:
department building » apartment building, apartment buildings, deployment building
department nursing » department guessing, departments using, department getting
department work » department part, department wide
department wise » department wide, department de
oecd economics » oecd economic, oecd economies, kcd economics
oecd colleges » oecd challenges, year colleges, des colleges

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