Perhaps you should try some spelling variations:
international interest » international investment, international best, international center
international pastoral » international natural, international postal, international practical
interest economics » interest economic, internet economics, internet economic
pastoral economies » national economies, moral economies, eastern economies
economics were » economics we, economics well, economics welfare
economies were » economies more, economies warren, economies learn

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: (( international interest economics were ) OR ( international pastoral economies were ))~.
• Adding a wildcard symbol may retrieve word variants: (( international interest economics were ) or ( international pastoral economies were ))*.