How to create a filter or Search box

Just a common search box based on what the client type into the input.

Then make it read and display only what matches with at least one word of the string, or any other common way in which this is done.

The simplest way to do this is to add a constraint to the Data Source you’re using to populate the repeating group, referencing the input field.

and then define which field(s) are being searched (or use ‘any fields’ for a broader search), along with which input is being checked against:

I would reference the manual, and of course your own trial & error testing to get a sense of the difference between ‘Is in’, ‘Contains’, and ‘Contains keywords’.

And then choose the input field:

Try this: