Perhaps you should try some spelling variations:
practice communication » politics communication, political communication, effective communication
businessmen political » businessmen social
policy communication » politics communication, public communication, political communication
business practice » business perspective
business politics » business logistics

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( business practice communication ) or ((( ((business politics) OR (business practices)) communication ) or ( business policy communication ))))) or ( ((businessman political) or (businessmen political)) communication ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( business practice communication ) OR ((( ((business politics) OR (business practices)) communication ) OR ( business policy communication ))))) OR ( ((businessman political) OR (businessmen political)) communication )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( business practice communication ) or ((( ((business politics) OR (business practices)) communication ) or ( business policy communication ))))) or ( ((businessman political) or (businessmen political)) communication ))".
• Adding a wildcard symbol may retrieve word variants: (((( business practice communication ) or ((( ((business politics) OR (business practices)) communication ) or ( business policy communication ))))) or ( ((businessman political) or (businessmen political)) communication ))*.