Perhaps you should try some spelling variations:
"c's communication history" » "c's telecommunication history", "c's communication sector", "c's communication theory", "lea's communication history", "class communication history", "mass communication history"
"its cooperation history" » "its corporation history", "its federation history", "city cooperation history", "et cooperation history"
"its colonization still" » "its colonization failed", "its colonization israel", "its colonization songs", "anti colonization still", "jews colonization still", "mars colonization still"

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

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