Perhaps you should try some spelling variations:
"de communication history" » "de telecommunication history", "de communication sector", "de communication theory", "mobile communication history", "online communication history"
"_ colonization history" » "_ organization history", "_ cooperation history", "_ civilization history", "_ decolonization history", "decolonization _ history"
"pro colonization failed" » "pro colonization still", "pro organizations failed", "bio colonization failed", "re colonization failed", "mars colonization failed"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("pro colonization failed") or ("_ colonization history"))) or ("de communication history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pro colonization failed") OR ("_ colonization history"))) OR ("de communication history"))*.
• Removing quotes may allow a broader search: (((( pro colonization failed ) or ( _ colonization history ))) or ( de communication history ))*.