Perhaps you should try some spelling variations:
"nets communication issues" » "nets community issues", "nets communication india", "nets communication united", "lea's communication issues", "mass communication issues", "c's communication issues"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"les communication iraq" » "les communication iran", "les communication israel", "les communication italy", "les communications iraq", "lea's communication iraq", "c's communication iraq"

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