Perhaps you should try some spelling variations:
"data communications israel" » "data communication israel", "data communications visual", "data communications series"
"haiti communications iran" » "health communications iran", "partie communications iran", "fiji communications iran", "haiti communication iran", "haiti communications brand", "haiti communication iraq"
"et cooperation history" » "et corporation history", "et federation history", "et cooperations history", "eu cooperation history", "2 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: (((("data communications israel") or ("haiti communications iran"))) or ("et cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data communications israel") OR ("haiti communications iran"))) OR ("et cooperation history")).
• Removing quotes may allow a broader search: (((( data communications israel ) or ( haiti communications iran ))) or ( et cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("data communications israel") or ("haiti communications iran"))) or ("et cooperation history"))*.