Perhaps you should try some spelling variations:
"_ decolonization failed" » "_ colonization failed", "_ decolonization case", "_ decolonization africa", "decolonization _ failed"
"re colonization israel" » "re communication israel", "re colonization still", "re colonization history", "pro colonization israel", "_ colonization israel", "jews colonization israel"
"early operation state" » "early generation state", "day operation state", "early observations state", "early operations state", "early operation stage", "early cooperation state"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("re colonization israel") OR ((("early operation state") OR ("_ decolonization failed"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"re colonization israel\") OR (((\"early operation state\") OR (\"_ decolonization failed\"))))*".
• Removing quotes may allow a broader search: (( re colonization israel ) OR ((( early operation state ) OR ( _ decolonization failed ))))*.