Perhaps you should try some spelling variations:
"de communication issues" » "de community issues", "de communication india", "de communication italy", "mobile communication issues", "online communication issues"
"de communication united" » "de telecommunication united", "mobile communication united", "online communication united"
"re colonization israel" » "re communication israel", "re colonization still", "re colonization history", "pro colonization israel", "_ colonization israel", "jews colonization israel"

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: (("re colonization israel") or ((("de communication issues") OR ("de communication united"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("re colonization israel") OR ((("de communication issues") OR ("de communication united")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"re colonization israel\") or (((\"de communication issues\") OR (\"de communication united\"))))".
• Removing quotes may allow a broader search: (( re colonization israel ) or ((( de communication issues ) OR ( de communication united )))).
• Adding a wildcard symbol may retrieve word variants: (("re colonization israel") or ((("de communication issues") OR ("de communication united"))))*.