Perhaps you should try some spelling variations:
decolonization islam » decolonization from, decolonization _, colonization israel
colonization failed » colonization still, organizations failed
cooperation history » corporation history, federation history
its colonization » anti colonization, jews colonization, mars colonization
et cooperation » et cooperations, eu cooperation, 2 cooperation

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

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