Perhaps you should try some spelling variations:
owned businesses » owned business, new businesses
banking business » changing business, managing business, training business
businesses firm » businesses from, business firms, businesses dsm
business case » business cycle, business climate
gas business » sas business, bass business

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( owned businesses firm ) or ( banking business case ))) or ( gas business hours ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( owned businesses firm ) OR ( banking business case ))) OR ( gas business hours )).
• Adding a wildcard symbol may retrieve word variants: (((( owned businesses firm ) or ( banking business case ))) or ( gas business hours ))*.