Perhaps you should try some spelling variations:
"eurovision song contest 2013" » "eurovision songs contest 2013", "eurovision son contest 2013", "eurovision sons contest 2013"
"eurovision song contest 2019" » "eurovision songs contest 2019", "eurovision son contest 2019", "eurovision sons contest 2019"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"eurovision song contest 2013\") OR (\"eurovision song contest 2019\"))".
• Removing quotes may allow a broader search: (( eurovision song contest 2013 ) OR ( eurovision song contest 2019 )).
• Adding a wildcard symbol may retrieve word variants: (("eurovision song contest 2013") OR ("eurovision song contest 2019"))*.