Perhaps you should try some spelling variations:
"mars communication iraq" » "mass communication iraq", "mass communications iraq", "markets communication iraq", "mars communication iran", "mars communication israel", "mars communication italy"
"2 cooperation series" » "2 cooperation theories", "2 cooperation sources", "2 cooperation studies", "gulf cooperation series", "area cooperation series"
"its federation history" » "its migration history", "les federations history", "_ federation history", "3 federation history"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mars communication iraq") OR ("2 cooperation series"))) OR ("its federation history"))~.
• Removing quotes may allow a broader search: (((( mars communication iraq ) or ( 2 cooperation series ))) or ( its federation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mars communication iraq") or ("2 cooperation series"))) or ("its federation history"))*.