Perhaps you should try some spelling variations:
"international port economies prone" » "international ports economies prone", "international report economies prone", "international airport economies prone", "international port economies from", "international port economies jane", "international port economies more", "international port economics prone", "international host economies prone", "international poor economies 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 port economies prone") or ("international energy economic work"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international port economies prone") OR ("international energy economic work")).
• Removing quotes may allow a broader search: (( international port economies prone ) or ( international energy economic work )).
• Adding a wildcard symbol may retrieve word variants: (("international port economies prone") or ("international energy economic work"))*.