Perhaps you should try some spelling variations:
"2015 world quartics championships" » "2015 world quartile championships", "2015 world quadrics championships", "2015 world quadratics championships", "2015 world quartiles championships"
"2015 world quadratics championships" » "2015 world quadratic championships", "2015 world quadrics championships"
"2015 world quartic championships" » "2015 world quadratic championships", "2015 world quartile championships"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("2015 world quartics championships") OR ("2015 world quadratics championships"))) or ("2015 world quartic championships"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("2015 world quartics championships") OR ("2015 world quadratics championships"))) OR ("2015 world quartic championships")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"2015 world quartics championships\") OR (\"2015 world quadratics championships\"))) or (\"2015 world quartic championships\"))".
• Removing quotes may allow a broader search: (((( 2015 world quartics championships ) OR ( 2015 world quadratics championships ))) or ( 2015 world quartic championships )).
• Adding a wildcard symbol may retrieve word variants: (((("2015 world quartics championships") OR ("2015 world quadratics championships"))) or ("2015 world quartic championships"))*.