Perhaps you should try some spelling variations:
"its colonization history" » "its communication history", "its organization history", "its cooperation history", "anti colonization history", "jews colonization history", "mars colonization history"
"pro colonization israel" » "pro communication israel", "pro colonization still", "pro decolonization islam", "bio colonization israel", "re colonization israel", "mars colonization israel"
"mass communication iraq" » "mass communication iran", "mass communication israel", "mass communication italy", "maps communication iraq"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("its colonization history") OR ((("pro colonization israel") OR ("mass communication iraq"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"its colonization history\") OR (((\"pro colonization israel\") OR (\"mass communication iraq\"))))*".
• Removing quotes may allow a broader search: (( its colonization history ) OR ((( pro colonization israel ) OR ( mass communication iraq ))))*.