How to create mini search engine by using ML.Net with c#?

I have some medicine names in Sql server database table.

Now I want to create some feature by using ML.Net c#? I am totally new to ML.NET.

What I want is that ASAP user try to write anything in my textbox (.Aspx page),

my ML.Net feature should suggest the user.

for example : user write "penadol 40 mg" or "panadl" or "Pandole" and there can be some other patterns as well.

My ML.Net logic would suggest the user "Panadol" by finding from the database.

Something, very similar to English spell check feature or mini search engine

Now I am going to tell you about the structure of development. Currently , my application is developed in aspx ,

As soon as user 'll enter some medicine name in the textbox,

an ajax request 'll go to the server and 'll display the suggested medicine list.

Ajax call can be requested to an API which 'll be used this ML.NET developed feature.

And this API can be developed in any .Net/ .Net Core Framework .

Please guide me . Thank you very much.

Please ask anything if want to further know anything from me.