Perhaps you should try some spelling variations:
"mars communication israel" » "mars communication issues", "mars communication iran", "mars communication iraq", "mass communication israel", "mass communications israel", "markets communication israel"
"_ federation history" » "_ migration history", "_ federalism history", "_ federated history"
"de cooperation state" » "de cooperation scale", "de operation state", "de cooperation strategy", "2 cooperation state", "trade cooperation state", "area cooperation state"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mars communication israel") or ("de cooperation state"))) or ("_ federation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mars communication israel") OR ("de cooperation state"))) OR ("_ federation history")).
• Removing quotes may allow a broader search: (((( mars communication israel ) or ( de cooperation state ))) or ( _ federation history )).
• Adding a wildcard symbol may retrieve word variants: (((("mars communication israel") or ("de cooperation state"))) or ("_ federation history"))*.