Perhaps you should try some spelling variations:
"costs price" » "costs prices", "costly price", "cost prices"
"costa rich" » "costa rican", "costa ricas", "costa rita"
"costa rice" » "costa rican", "costa ricas", "costa rita"
"cost price" » "just price", "list price", "cost pricing"
"costa rica" » "costa rita"

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: (((("costa rica") OR ("costa rich"))) OR ((((("costa rice") OR ((("cost price") OR ("lowest price"))))) OR ("costs price"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"costa rica\") OR (\"costa rich\"))) or (((((\"costa rice\") or (((\"cost price\") or (\"lowest price\"))))) or (\"costs price\"))))*".
• Removing quotes may allow a broader search: (((( costa rica ) OR ( costa rich ))) or ((((( costa rice ) or ((( cost price ) or ( lowest price ))))) or ( costs price ))))*.