Ignoring case sensitivity when retrieving data from the database.

[RevvyBoi]

Friends, if the title matches in my database, I will retrieve the data on my website. However, for example, if the record in my database is saved as 'Ali Nap?yor' and I try to search for 'ali napiyor', it doesn't find the data and doesn't retrieve it. How can I do this regardless of case sensitivity, considering the difference between '?' and 'i'?