Perhaps you should try some spelling variations:
"u.s communications israel" » "u.s communication israel", "u.s communications visual", "u.s communications series", "3.1 communications israel", "les communications israel", "nps communications israel"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"
"nets communication iraq" » "lea's communication iraq", "mass communication iraq", "c's communication iraq", "nets communication iran", "nets communication israel", "nets communication italy"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("u.s communications israel") or ("nets communication iraq"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("u.s communications israel") OR ("nets communication iraq"))) OR ("city cooperation history")).
• Removing quotes may allow a broader search: (((( u.s communications israel ) or ( nets communication iraq ))) or ( city cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("u.s communications israel") or ("nets communication iraq"))) or ("city cooperation history"))*.