Perhaps you should try some spelling variations:
"_ decolonization failed" » "_ colonization failed", "_ decolonization case", "_ decolonization africa", "decolonization _ failed"
"mars colonization israel" » "mars communication israel", "mars colonization still", "mars colonization history", "mrsa colonization israel", "its colonization israel", "jews colonization israel"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mars colonization israel") OR ("_ decolonization failed"))) OR ("its cooperation history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"mars colonization israel\") OR (\"_ decolonization failed\"))) OR (\"its cooperation history\"))".
• Removing quotes may allow a broader search: (((( mars colonization israel ) OR ( _ decolonization failed ))) OR ( its cooperation history )).
• Adding a wildcard symbol may retrieve word variants: (((("mars colonization israel") OR ("_ decolonization failed"))) OR ("its cooperation history"))*.