Perhaps you should try some spelling variations:
"re communication theory" » "re communication technology", "de communication theory", "true communication theory", "une communication theory"
"re colonization israel" » "re communication israel", "re colonization history", "re decolonization islam", "pro colonization israel", "_ colonization israel", "jews colonization israel"
"re colonization still" » "re colonization failed", "re colonization songs", "re cooperation still", "pro colonization still", "_ colonization still", "jews colonization still"

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 ("re colonization still"))) or ("re communication theory"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re colonization israel") OR ("re colonization still"))) OR ("re communication theory"))*.
• Removing quotes may allow a broader search: (((( re colonization israel ) or ( re colonization still ))) or ( re communication theory ))*.