Perhaps you should try some spelling variations:
"eu cooperation history" » "eu corporation history", "eu federation history", "et cooperation history", "2 cooperation history", "la cooperation history"
"nets communication iraq" » "lea's communication iraq", "mass communication iraq", "c's communication iraq", "nets communication iran", "nets communication israel", "nets communication italy"
"its community issues" » "icts community issues", "city community issues", "arts community issues"

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

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