Perhaps you should try some spelling variations:
"nets communication united" » "nets telecommunication united", "lea's communication united", "mass communication united", "les communications united"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"c's communication iran" » "c's communication iraq", "c's communication ireland", "c's communication brands", "lea's communication iran", "class communication iran", "mass communication iran"

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: (((("c's communication iran") or ("nets communication united"))) or ("its cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("c's communication iran") OR ("nets communication united"))) OR ("its cooperation history")).
• Removing quotes may allow a broader search: (((( c's communication iran ) or ( nets communication united ))) or ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("c's communication iran") or ("nets communication united"))) or ("its cooperation history"))*.