Perhaps you should try some spelling variations:
"de communication issues" » "de community issues", "de communication india", "de communication united", "mobile communication issues", "online communication issues"
"jews organization history" » "jews organization theory", "news organization history", "lea's organization history", "news organisations history"
"eu cooperation history" » "eu corporation history", "eu federation history", "et cooperation history", "2 cooperation history", "la cooperation history"

Try widening your search to All Fields.

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

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