Perhaps you should try some spelling variations:
"businessmen political communication" » "businessman political communication", "business politics communication", "businessmen social communication"
"business effect communication" » "business speech communication", "business french communication", "business effective communicating"
"business cross communication" » "business crisis communication", "business crisis communications", "business mass communication", "business process communication", "business case communication"
"business effective communication" » "business effectiveness communication", "business perspective communication"
"business risk communication" » "business crisis communication", "business mass communication", "business crisis communications", "business case communication", "business book 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 effective communication") or ("business effect communication"))) or ((("businessmen political communication") or ((("business risk communication") or ("business cross communication"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("business effective communication") OR ("business effect communication"))) OR ((("businessmen political communication") OR ((("business risk communication") OR ("business cross communication")))))).
• Removing quotes may allow a broader search: (((( business effective communication ) or ( business effect communication ))) or ((( businessmen political communication ) or ((( business risk communication ) or ( business cross communication )))))).
• Adding a wildcard symbol may retrieve word variants: (((("business effective communication") or ("business effect communication"))) or ((("businessmen political communication") or ((("business risk communication") or ("business cross communication"))))))*.