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