SELECT count(isbn) AS NbreRep ,MATCH(titre,cat_niv_2) AGAINST('+Kathryn*+Selbert*' IN BOOLEAN MODE) AS score FROM ad_isbn WHERE actif = 'oui' AND ( MATCH(titre,cat_niv_2) AGAINST('+Kathryn*+Selbert*' IN BOOLEAN MODE) OR isbn='Kathryn Selbert' OR auteur LIKE '%Kathryn Selbert%' OR illustrateur LIKE '%Kathryn Selbert%' OR editeur LIKE '%Kathryn Selbert%' OR collection LIKE '%Kathryn Selbert%' OR cat_niv_2 LIKE '%Kathryn Selbert%' OR cat_niv_3 LIKE '%Kathryn Selbert%' ) ORDER BY score DESC ;