Perhaps you should try some spelling variations:
"mass communication israel" » "mass communication issues", "mass communication iran", "mass communication iraq", "maps communication israel"
"et cooperation studies" » "et cooperation series", "et cooperation sources", "et cooperation implies", "et cooperations studies", "eu cooperation studies", "2 cooperation studies"
"les federations history" » "les federation history", "les relations history", "les migrations history", "_ federations history", "les interactions 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: (((("mass communication israel") OR ("et cooperation studies"))) OR ("les federations history"))~.
• Removing quotes may allow a broader search: (((( mass communication israel ) or ( et cooperation studies ))) or ( les federations history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("mass communication israel") or ("et cooperation studies"))) or ("les federations history"))*.