Perhaps you should try some spelling variations:
"international efforts economies face" » "international airports economies face", "international energy economies face", "international airport economies face", "international effects economics face", "international effets economiques face", "international efforts economiques face", "international efforts economies facts", "international efforts economies have"
"international poverty economic boom" » "national poverty economic boom", "international property economic boom", "international forestry economic boom", "international policy economic boom", "international poverty economic book"

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 efforts economies face") or ("international poverty economic boom"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international efforts economies face") OR ("international poverty economic boom")).
• Removing quotes may allow a broader search: (( international efforts economies face ) or ( international poverty economic boom )).
• Adding a wildcard symbol may retrieve word variants: (("international efforts economies face") or ("international poverty economic boom"))*.