Perhaps you should try some spelling variations:
"mass communications issues" » "mass communication issues", "mass communications studies", "mass communications costs", "data communications issues", "crisis communications issues"
"3 federation history" » "3 migration history", "_ federation history", "5 federation history", "a federation history"
"jews cooperation scale" » "jews cooperation case", "jews cooperation state", "jews cooperation sara", "de cooperation scale", "et cooperation scale", "eu cooperation scale"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mass communications issues") or ("jews cooperation scale"))) or ("3 federation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mass communications issues") OR ("jews cooperation scale"))) OR ("3 federation history")).
• Removing quotes may allow a broader search: (((( mass communications issues ) or ( jews cooperation scale ))) or ( 3 federation history )).
• Adding a wildcard symbol may retrieve word variants: (((("mass communications issues") or ("jews cooperation scale"))) or ("3 federation history"))*.