MySQL server has gone away

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SELECT COUNT(*) AS count FROM countries WHERE countries_pt_nome LIKE 'da%nang' || countries_en_nome LIKE 'da%nang' || countries_es_nome LIKE 'da%nang' || countries_fr_nome LIKE 'da%nang' || countries_de_nome LIKE 'da%nang' || countries_it_nome LIKE 'da%nang' || countries_pt_url LIKE 'da%nang%' || countries_en_url LIKE 'da%nang%' || countries_es_url LIKE 'da%nang%' || countries_fr_url LIKE 'da%nang%' || countries_de_url LIKE 'da%nang%' || countries_it_url LIKE 'da%nang%' LIMIT 1;