Perhaps you should try some spelling variations:
owned businesses » owned business, new businesses
businesses hours » business hours, business hour, businesses through
business books » business hours, business costs, business goals
mail business » small business, family business, retail business
business case » business cycle, business climate

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 books ) OR ( owned businesses hours ))) OR ( mail business case ))~.
• Adding a wildcard symbol may retrieve word variants: (((( _ business books ) or ( owned businesses hours ))) or ( mail business case ))*.