Perhaps you should try some spelling variations:
"_ decolonization failed" » "_ colonization failed", "_ decolonization case", "_ decolonization africa", "decolonization _ failed"
"re colonization history" » "re communication history", "re organization history", "re cooperation history", "pro colonization history", "_ colonization history", "jews colonization history"
"early cooperation scale" » "early operation scale", "early cooperative scale", "energy cooperation scale", "early cooperation case", "early cooperation state", "early cooperation sara"

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 ((("early cooperation scale") or ("_ decolonization failed"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("re colonization history") OR ((("early cooperation scale") OR ("_ decolonization failed")))).
• Removing quotes may allow a broader search: (( re colonization history ) or ((( early cooperation scale ) or ( _ decolonization failed )))).
• Adding a wildcard symbol may retrieve word variants: (("re colonization history") or ((("early cooperation scale") or ("_ decolonization failed"))))*.