Perhaps you should try some spelling variations:
"its communication issues" » "its community issues", "its communication india", "its communication united", "nets communication issues", "c's communication issues", "mass communication issues"
"les federations history" » "les federation history", "les relations history", "les migrations history", "_ federations history", "les interactions history"
"jews cooperation series" » "jews cooperation theories", "jews cooperation sources", "jews cooperation studies", "de cooperation series", "et cooperation series", "eu cooperation series"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its communication issues") or ("jews cooperation series"))) or ("les federations history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its communication issues") OR ("jews cooperation series"))) OR ("les federations history"))*.
• Removing quotes may allow a broader search: (((( its communication issues ) or ( jews cooperation series ))) or ( les federations history ))*.