Perhaps you should try some spelling variations:
"de communication history" » "de telecommunication history", "de communication sector", "de communication theory", "mobile communication history", "online communication history"
"_ communication israel" » "_ communication issues", "_ communication iran", "_ communication iraq"
"jews cooperation history" » "jews corporation history", "jews federation history", "de cooperation history", "et cooperation history", "eu cooperation 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: (((("_ communication israel") OR ("jews cooperation history"))) OR ("de communication history"))~.
• Removing quotes may allow a broader search: (((( _ communication israel ) or ( jews cooperation history ))) or ( de communication history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ communication israel") or ("jews cooperation history"))) or ("de communication history"))*.