Perhaps you should try some spelling variations:
"re decolonization case" » "re decolonization across", "re decolonization notes", "re decolonization _", "_ decolonization case", "re colonization case", "box decolonization case"
"_ colonization israel" » "_ communication israel", "_ colonization still", "_ colonization history", "_ decolonization israel", "decolonization _ israel"
"re federation history" » "re migration history", "_ federation history", "3 federation history", "5 federation history"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re decolonization case") OR ("_ colonization israel"))) OR ("re federation history"))~.
• Removing quotes may allow a broader search: (((( re decolonization case ) or ( _ colonization israel ))) or ( re federation history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re decolonization case") or ("_ colonization israel"))) or ("re federation history"))*.