Perhaps you should try some spelling variations:
"mars communication italy" » "mars communication india", "mars communication united", "mass communication italy", "mass communications italy", "markets communication italy"
"eu cooperation series" » "eu cooperation theories", "eu cooperation sources", "eu cooperation studies", "et cooperation series", "2 cooperation series", "la 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 italy") OR ("eu cooperation series"))) OR ("its federation history"))~.
• Removing quotes may allow a broader search: (((( mars communication italy ) or ( eu cooperation series ))) or ( its federation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mars communication italy") or ("eu cooperation series"))) or ("its federation history"))*.