Perhaps you should try some spelling variations:
"mars cooperation strategy" » "mars conservation strategy", "mars population strategy", "mars adaptation strategy", "early cooperation strategy", "area cooperation strategy", "arab cooperation strategy"
"_ decolonisation from" » "_ decolonization from", "_ decolonisation _", "_ decolonisation 1"
"anti colonization israel" » "anti communication israel", "anti colonization still", "anti colonization history", "its colonization israel", "africa colonization israel", "_ colonization israel"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ decolonisation from") or ((("mars cooperation strategy") or ("anti colonization israel"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("_ decolonisation from") OR ((("mars cooperation strategy") OR ("anti colonization israel"))))*.
• Removing quotes may allow a broader search: (( _ decolonisation from ) or ((( mars cooperation strategy ) or ( anti colonization israel ))))*.