Perhaps you should try some spelling variations:
"a communication issues" » "a community issues", "a communication india", "a communication united", "data communication issues", "data communications issues"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"la communication iran" » "la communication iraq", "la communication ireland", "la communication brands", "data communication iran", "data communications iran", "ldata communication iran", "ldata communications iran"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("la communication iran") or ("a communication issues"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("la communication iran") OR ("a communication issues"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( la communication iran ) or ( a communication issues ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("la communication iran") or ("a communication issues"))) or ("et cooperation history"))*.