Perhaps you should try some spelling variations:
"mars communication history" » "mars telecommunication history", "mars communication sector", "mars communication theory", "mass communication history", "mass communications history", "markets communication history"
"its colonization failed" » "its colonization still", "its organizations failed", "anti colonization failed", "jews colonization failed", "mars colonization failed"
"area cooperation scale" » "area cooperation case", "area cooperation state", "area cooperation sara", "asian cooperation scale", "border cooperation scale", "china cooperation scale"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("its colonization failed") or ("area cooperation scale"))) or ("mars communication history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("its colonization failed") OR ("area cooperation scale"))) OR ("mars communication history")).
• Removing quotes may allow a broader search: (((( its colonization failed ) or ( area cooperation scale ))) or ( mars communication history )).
• Adding a wildcard symbol may retrieve word variants: (((("its colonization failed") or ("area cooperation scale"))) or ("mars communication history"))*.