using System;

using System.Linq; 

using System.Collections;

using System.Collections.Generic;       

using System.Data;

using System.Data.Linq;

using System.Data.DataSetExtensions;

using System.Xml;

using System.IO;

using System.Xml.Linq;

public class Program

{

    public static void Main()

    {

        string input = @"<root>

            <textInfo>

                <freeText>

                    <informationType>15</informationType>

                </freeText>

            </textInfo>

            <textInfo>

                <freeText>

                    <textSubject>4</textSubject>

                    <informationType>47</informationType>

                </freeText>

                <freeText>My required text</freeText>

            </textInfo>

            <textInfo>

                <freeText>

                    <informationType>733</informationType>

                    <status>1</status>

                </freeText>

            </textInfo>

        </root>";

        var doc = XDocument.Parse(input);

        var freeTexts = doc.Descendants("textInfo")

            .Where(tf => tf.Element("freeText").Element("informationType") != null &&

                   tf.Element("freeText").Element("informationType").Value.Equals("47") &&

                   tf.Elements("freeText").Count() > 1)

            .Select(tf => tf.Elements("freeText").Skip(1).Single().Value).ToList();

        Console.WriteLine(freeTexts.Count());

        foreach(var text in freeTexts)

        {

            Console.WriteLine(""+text);

        }

    }

​

}

​