Perhaps you should try some spelling variations:
"international poor economies prone" » "international pour economies prone", "international power economies prone", "international port economies prone", "international poor economies from", "international poor economies jane", "international poor economies more", "international poor economic prone"
"international energy economic work" » "international energy economics work", "international energy economy work", "international ecology economic work", "international energy economic boom", "international energy economic well"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international poor economies prone") or ("international energy economic work"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international poor economies prone") OR ("international energy economic work")).
• Removing quotes may allow a broader search: (( international poor economies prone ) or ( international energy economic work )).
• Adding a wildcard symbol may retrieve word variants: (("international poor economies prone") or ("international energy economic work"))*.