Yes, my data source is a Sharepoint list, it worked for me when I had a filter in the gallery with this code.
Filter('Solicitudes Expres'; TextSearchBox1_1.Text in Cliente || TextSearchBox1_1.Text in Referencia || TextSearchBox1_1.Text in ID || TextSearchBox1_1.Text in Producto || TextSearchBox1_1.Text in Estatus)
Then modify the code, because I added other filters, this is the current code in gallery currently.
SortByColumns(Filter(AddColumns('Solicitudes Expres';"Buscar"; Cliente & Referencia & Producto & UsuarioEst & UsuarioVentas & ID);
StartsWith(Estatus;FilterIng) && TextSearchBox1.Text in Buscar); "ID"; If(SortDescendingPI;Descending;Ascending))