Perhaps you should try some spelling variations:
"_ decolonization failed" » "_ colonization failed", "_ decolonization case", "_ decolonization africa", "decolonization _ failed"
"anti colonization israel" » "anti communication israel", "anti colonization still", "anti colonization history", "its colonization israel", "africa colonization israel", "_ colonization israel"
"city cooperation history" » "city corporation history", "city federation history", "china cooperation history", "city corporations history"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("anti colonization israel") or ("_ decolonization failed"))) or ("city cooperation history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anti colonization israel") OR ("_ decolonization failed"))) OR ("city cooperation history")).
• Removing quotes may allow a broader search: (((( anti colonization israel ) or ( _ decolonization failed ))) or ( city cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("anti colonization israel") or ("_ decolonization failed"))) or ("city cooperation history"))*.