Perhaps you should try some spelling variations:
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"4.4 decolonisation 1" » "_ decolonisation 1", "1945 decolonization 1", "_ decolonization 1", "4.4 decolonisation _", "4.4 decolonisations _", "4.4 decolonization _"
"_ colonization still" » "_ colonization failed", "_ colonization israel", "_ colonization songs", "_ decolonization still", "decolonization _ still"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("4.4 decolonisation 1") OR ("_ colonization still"))) OR ("its cooperation history"))~.
• Removing quotes may allow a broader search: (((( 4.4 decolonisation 1 ) or ( _ colonization still ))) or ( its cooperation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("4.4 decolonisation 1") or ("_ colonization still"))) or ("its cooperation history"))*.