Perhaps you should try some spelling variations:
"its communication history" » "its telecommunication history", "its communication sector", "its communication theory", "nets communication history", "c's communication history", "mass communication history"
"qaida organization case" » "africa organization case", "basin organization case", "based organization case", "qaida organization change", "qaida organization a", "qaida organization china"
"mars colonization still" » "mars colonization failed", "mars colonization israel", "mars colonization songs", "mrsa colonization still", "its colonization still", "jews 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: (((("qaida organization case") OR ("mars colonization still"))) OR ("its communication history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"qaida organization case\") OR (\"mars colonization still\"))) OR (\"its communication history\"))*".
• Removing quotes may allow a broader search: (((( qaida organization case ) OR ( mars colonization still ))) OR ( its communication history ))*.