Mysql Concat to kolonner, mens du søger med LIKE

Din forespørgsel skulle være sådan her

Select Contacts.*, Contacts.ID as CID 
from Contacts 
left join website_Data 
on Contacts.ID = website_Data.ContactID 
where CONCAT(Contacts.FirstName,' ', Contacts.LastName) LIKE '%Illusion Softwares%' 
order by Contacts.`Created` DESC