SELECT id, haslo, znaczenie FROM sennik_new WHERE  (haslo LIKE 'Z%' OR haslo LIKE 'z%' OR haslo LIKE '¬%' OR haslo LIKE '¯%' OR haslo LIKE '¿%' OR haslo LIKE 'Ÿ%' ) ORDER BY haslo ASC LIMIT -30, 30

You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-30, 30' at line 1