Perhaps you should try some spelling variations:
"re communication theory" » "re communication technology", "de communication theory", "true communication theory", "une communication theory"
"pro communication french" » "pro communication france", "pro communication agency", "pro telecommunication french", "prone communication french", "ngo communication french", "proper communication french"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history", "_ decolonization israel", "decolonization _ israel"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pro communication french") or ("_ colonization israel"))) or ("re communication theory"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pro communication french") OR ("_ colonization israel"))) OR ("re communication theory"))*.
• Removing quotes may allow a broader search: (((( pro communication french ) or ( _ colonization israel ))) or ( re communication theory ))*.