Perhaps you should try some spelling variations:
"box decolonization across" » "box decolonization africa", "box decolonization case", "box decolonization from", "_ decolonization across", "war decolonization across", "1945 decolonization across"
"_ communication israel" » "_ communication issues", "_ communication iran", "_ communication iraq"
"mars colonization history" » "mars communication history", "mars organization history", "mars cooperation history", "mrsa colonization history", "its colonization history", "jews colonization 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: (((("box decolonization across") OR ("_ communication israel"))) OR ("mars colonization history"))~.
• Removing quotes may allow a broader search: (((( box decolonization across ) or ( _ communication israel ))) or ( mars colonization history ))~.
• Adding a wildcard symbol may retrieve word variants: (((("box decolonization across") or ("_ communication israel"))) or ("mars colonization history"))*.