Perhaps you should try some spelling variations:
"re communication history" » "re telecommunication history", "re communication sector", "re communication theory", "de communication history", "true communication history", "une communication history"
"pro colonization israel" » "pro communication israel", "pro colonization still", "pro colonization history", "bio colonization israel", "re colonization israel", "mars colonization israel"
"data communications iraq" » "data communication iraq", "data communication iran", "data communications brand"

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: (((("pro colonization israel") or ("re communication history"))) or ("data communications iraq"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pro colonization israel") OR ("re communication history"))) OR ("data communications iraq")).
• Removing quotes may allow a broader search: (((( pro colonization israel ) or ( re communication history ))) or ( data communications iraq )).
• Adding a wildcard symbol may retrieve word variants: (((("pro colonization israel") or ("re communication history"))) or ("data communications iraq"))*.