Perhaps you should try some spelling variations:
"mass communication theory" » "mass communication technology", "maps communication theory"
"re civilization history" » "re globalization history", "re organization history", "true civilization history", "new civilization history", "_ civilization history"
"mars cooperation still" » "mars cooperation scale", "mars cooperation state", "mars cooperation studies", "early cooperation still", "area cooperation still", "arab cooperation still"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("re civilization history") OR ("mars cooperation still"))) OR ("mass communication theory"))~.
• Removing quotes may allow a broader search: (((( re civilization history ) or ( mars cooperation still ))) or ( mass communication theory ))~.
• Adding a wildcard symbol may retrieve word variants: (((("re civilization history") or ("mars cooperation still"))) or ("mass communication theory"))*.