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", "les communications issues"
"c's communication israel" » "c's communication iran", "c's communication iraq", "c's telecommunication israel", "lea's communication israel", "class communication israel", "mass communication israel"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation 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: (((("nets communication issues") or ("c's communication israel"))) or ("its cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nets communication issues") OR ("c's communication israel"))) OR ("its cooperation history")).
• Removing quotes may allow a broader search: (((( nets communication issues ) or ( c's communication israel ))) or ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("nets communication issues") or ("c's communication israel"))) or ("its cooperation history"))*.