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"
"nets communication iran" » "lea's communication iran", "mass communication iran", "c's communication iran", "nets communication iraq", "nets communication ireland", "nets communication brands"
"its federation history" » "its migration history", "les federations history", "_ federation history", "3 federation 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: (((("u.s communications israel") or ("nets communication iran"))) or ("its federation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("u.s communications israel") OR ("nets communication iran"))) OR ("its federation history")).
• Removing quotes may allow a broader search: (((( u.s communications israel ) or ( nets communication iran ))) or ( its federation history )).
• Adding a wildcard symbol may retrieve word variants: (((("u.s communications israel") or ("nets communication iran"))) or ("its federation history"))*.