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"
"true communication iran" » "truth communication iran", "time communication iran", "stroke communication iran", "true communication iraq", "true communication ireland", "true communication brands"
"re organization theory" » "re organisation theory", "care organization theory", "free organization theory"

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