Perhaps you should try some spelling variations:
"mass communication history" » "mass telecommunication history", "mass communication sector", "mass communication theory", "maps communication history"
"true civilization history" » "true globalization history", "true organization history", "oxus civilization history", "four civilizations history", "korea civilization history"
"mars cooperation scale" » "mars cooperation case", "mars cooperation state", "mars cooperation sara", "early cooperation scale", "area cooperation scale", "arab 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: (((("true civilization history") OR ("mars cooperation scale"))) OR ("mass communication history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"true civilization history\") OR (\"mars cooperation scale\"))) OR (\"mass communication history\"))".
• Removing quotes may allow a broader search: (((( true civilization history ) OR ( mars cooperation scale ))) OR ( mass communication history )).
• Adding a wildcard symbol may retrieve word variants: (((("true civilization history") OR ("mars cooperation scale"))) OR ("mass communication history"))*.