Perhaps you should try some spelling variations:
"cooperation agreements israel history" » "cooperation agreement israel history", "integration agreements israel history", "concession agreements israel history", "cooperation agreement issues history", "cooperation agreements equal history", "cooperation agreements free history"
"coalition agreements iepa history" » "recognition agreements iepa history", "aviation agreements iepa history", "valution agreement iepa history", "coalition agreements a history", "coalition agreement mjepa history", "coalition agreements etc history", "coalition agreements tea history", "coalition agreements iowa history", "coalition agreements vienna history"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("cooperation agreements israel history") or ("coalition agreements iepa history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cooperation agreements israel history") OR ("coalition agreements iepa history")).
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• Adding a wildcard symbol may retrieve word variants: (("cooperation agreements israel history") or ("coalition agreements iepa history"))*.