Perhaps you should try some spelling variations:
"re colonization references" » "re decolonisation references", "re polarization references", "re salinization references", "pro colonization references", "_ colonization references", "jews colonization references"
"_ decolonization islam" » "_ decolonization from", "_ decolonization _", "_ colonization israel", "decolonization _ islam"
"re communication theory" » "re communication technology", "de communication theory", "true communication theory", "une communication theory"

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