Perhaps you should try some spelling variations:
"retail business costs" » "retail businesses costs", "rural business costs", "mail business costs", "retail business cases", "retail business customs", "retail business case"
"basic business books" » "bass business books", "asia business books", "based business books", "basic business book", "basic business handbooks", "basic business yearbooks"
"basic business hours" » "bass business hours", "asia business hours", "based business hours"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("basic business books") OR ("retail business costs"))) OR ("basic business hours"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"basic business books\") OR (\"retail business costs\"))) OR (\"basic business hours\"))".
• Removing quotes may allow a broader search: (((( basic business books ) OR ( retail business costs ))) OR ( basic business hours )).
• Adding a wildcard symbol may retrieve word variants: (((("basic business books") OR ("retail business costs"))) OR ("basic business hours"))*.