Perhaps you should try some spelling variations:
international property » international prosperity, international poverty, international project
national policy » national poverty
policy economy » policy economic, polish economy, politics economy
economy series » economics series
economic emdes » economies emdes, economic elites, economic examples

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( national policy economy series ) or ( international property economic emdes ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( national policy economy series ) OR ( international property economic emdes )).
• Adding a wildcard symbol may retrieve word variants: (( national policy economy series ) or ( international property economic emdes ))*.