Perhaps you should try some spelling variations:
"nets communication issues" » "nets community issues", "nets communication india", "nets communication united", "mass communication issues", "c's communication issues", "les communications issues"
"lea's communication iran" » "mass communication iran", "crisis communication iran", "leadership communication iran", "lea's communication iraq", "lea's communication ireland", "lea's communication brands"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 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 ("lea's communication iran"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nets communication issues") OR ("lea's communication iran"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( nets communication issues ) or ( lea's communication iran ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("nets communication issues") or ("lea's communication iran"))) or ("et cooperation history"))*.