Perhaps you should try some spelling variations:
"re communication iran" » "re communication iraq", "re communication ireland", "re communication brands", "de communication iran", "true communication iran", "une communication iran"
"re federation history" » "re migration history", "_ federation history", "3 federation history", "5 federation history"
"re organization theory" » "re organisation theory", "care organization theory", "free organization theory"

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: (("re communication iran") or ((("re federation history") or ("re organization theory"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("re communication iran") OR ((("re federation history") OR ("re organization theory")))).
• Removing quotes may allow a broader search: (( re communication iran ) or ((( re federation history ) or ( re organization theory )))).
• Adding a wildcard symbol may retrieve word variants: (("re communication iran") or ((("re federation history") or ("re organization theory"))))*.