Perhaps you should try some spelling variations:
decolonization models » decolonization notes, decolonization across, decolonization case
cooperation history » corporation history, federation history
its decolonization » its colonization, _ decolonization, box decolonization
communication iran » communication iraq, communication ireland, communication brands
city cooperation » city corporation, china cooperation, city corporations
mass » maps

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

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