Perhaps you should try some spelling variations:
"business perspective communication" » "business effective communication", "business practice communication", "business essential communication", "outline perspective communication"
"business practices communication" » "business practice communication", "business politics communication"
"businessman political communication" » "businessmen political communication", "business politics communication"
"business policy communication" » "business politics communication", "business applied communication", "business policy communities"
"business public communication" » "business oral communication", "business crisis communication", "business human communication"

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

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