Perhaps you should try some spelling variations:
"cooperation agreements israel history" » "cooperation agreement israel history", "integration agreements israel history", "concession agreements israel history", "cooperation agreements iepa history", "cooperation agreement issues history", "cooperation agreements equal history"
"collective agreements israel history" » "collective agreements iepa history", "collective agreement issues history", "collective agreements equal history", "collection agreements israel history"

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: (("collective agreements israel history") or ("cooperation agreements israel history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("collective agreements israel history") OR ("cooperation agreements israel history")).
• Removing quotes may allow a broader search: (( collective agreements israel history ) or ( cooperation agreements israel history )).
• Adding a wildcard symbol may retrieve word variants: (("collective agreements israel history") or ("cooperation agreements israel history"))*.