Count The Particular Word?????

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication3
{
   public static  class Program
    {
        static void Main(string[] args)
        {


            string Searchword = "a";
            string SearchString = "sabarimahesh";
            List<int> Total_cnt = Search_key(Searchword, SearchString);

            Console.WriteLine(Total_cnt.Count.ToString(), "Matches");


            Console.ReadLine();

            
        }


      

        public static List<int> Search_key(string Tg, string Sub)
        {
            List<int> Reslt = new List<int>();
            for (int i = 0; i < (Sub.Length - Tg.Length) + 1; i++)
            {
                if (Sub.Substring(i, Tg.Length) == Tg) Reslt.Add(i);
            }
            return Reslt;
        }
 
    }
}