Perhaps you should try some spelling variations:
"businessman political communication" » "businessmen political communication", "business politics communication"
"business public communication" » "business oral communication", "business human communication", "business world communication"
"business crisis communication" » "business crisis communications", "business mass communication", "business written communication", "business cross communication", "business risks communication", "business risk communication"
"business policy communication" » "business politics communication", "business applied communication", "business policy communities"
"business political communication" » "business politics communication", "businessmen political communication", "business periodicals communication"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("business public communication") or ((("business crisis communication") or ("business policy communication"))))) or ((("business political communication") or ("businessman political communication"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("business public communication") OR ((("business crisis communication") OR ("business policy communication"))))) OR ((("business political communication") OR ("businessman political communication"))))*.
• Removing quotes may allow a broader search: (((( business public communication ) or ((( business crisis communication ) or ( business policy communication ))))) or ((( business political communication ) or ( businessman political communication ))))*.