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"
"sa communication issues" » "sa community issues", "sa communication india", "sa communication united", "a communication issues", "asia communication issues", "3 communication issues"
"la communication iraq" » "la communication iran", "la communication israel", "la communication italy", "data communication iraq", "data communications iraq"

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: (("its colonization history") or ((("la communication iraq") or ("sa communication issues"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("its colonization history") OR ((("la communication iraq") OR ("sa communication issues")))).
• Removing quotes may allow a broader search: (( its colonization history ) or ((( la communication iraq ) or ( sa communication issues )))).
• Adding a wildcard symbol may retrieve word variants: (("its colonization history") or ((("la communication iraq") or ("sa communication issues"))))*.