Perhaps you should try some spelling variations:
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 cooperation history"
"mass communication iraq" » "mass communication iran", "mass communication israel", "mass communication italy", "maps communication iraq"
"needs community issues" » "fields community issues", "trends community issues", "des 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: (((("mass communication iraq") OR ("needs community issues"))) OR ("et cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mass communication iraq\") OR (\"needs community issues\"))) OR (\"et cooperation history\"))".
• Removing quotes may allow a broader search: (((( mass communication iraq ) OR ( needs community issues ))) OR ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("mass communication iraq") OR ("needs community issues"))) OR ("et cooperation history"))*.