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