Perhaps you should try some spelling variations:
"business practice communication" » "business politics communication", "business public communication", "business pacific communications", "business practices communication", "business perspective communication"
"business political communication" » "business politics communication", "businessman political communication", "businessmen political communication"
"business effective communication" » "business effect communication", "business effectiveness communication", "business perspective communication"
"business mass communication" » "business oral communication", "business _ communication", "business case communication", "business east communication", "business names communication"

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: (((("business political communication") OR ((("business practice communication") OR ("business effective communication"))))) OR ("business mass communication"))~.
• Removing quotes may allow a broader search: (((( business political communication ) or ((( business practice communication ) or ( business effective communication ))))) or ( business mass communication ))~.
• Adding a wildcard symbol may retrieve word variants: (((("business political communication") or ((("business practice communication") or ("business effective communication"))))) or ("business mass communication"))*.