Perhaps you should try some spelling variations:
"mass communication sector" » "mass telecommunication sector", "mass telecommunications sector", "mass communication series", "maps communication sector"
"new civilization history" » "new globalization history", "new organization history", "_ civilization history", "war civilization history", "india 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: (((("new civilization history") OR ("mars cooperation still"))) OR ("mass communication sector"))~.
• Removing quotes may allow a broader search: (((( new civilization history ) or ( mars cooperation still ))) or ( mass communication sector ))~.
• Adding a wildcard symbol may retrieve word variants: (((("new civilization history") or ("mars cooperation still"))) or ("mass communication sector"))*.