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

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

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