Perhaps you should try some spelling variations:
"re colonization history" » "re communication history", "re organization history", "re cooperation history", "pro colonization history", "_ colonization history", "jews colonization history"
"lea's communication iran" » "mass communication iran", "crisis communication iran", "leadership communication iran", "lea's communication iraq", "lea's communication ireland", "lea's communication brands"
"re cooperation state" » "re cooperation scale", "re operation state", "re cooperation strategy", "de cooperation state", "area cooperation state", "rate cooperation state"

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: (((("lea's communication iran") or ("re colonization history"))) or ("re cooperation state"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lea's communication iran") OR ("re colonization history"))) OR ("re cooperation state")).
• Removing quotes may allow a broader search: (((( lea's communication iran ) or ( re colonization history ))) or ( re cooperation state )).
• Adding a wildcard symbol may retrieve word variants: (((("lea's communication iran") or ("re colonization history"))) or ("re cooperation state"))*.