using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var searchString = "Bosnia International ";

        Console.WriteLine(searchString.Trim().Split(' ').Length);

        var obligations = new List<Obligation>{ new Obligation() { RealPropertyId = 1, Customer = new Customer() { Name = "Bosnia Bank International"}}};

        var list = new List<RealProperty>() { new RealProperty { Obligations = obligations, Name = "Real P" }};

        var list2= list.Where(r => r.Name == "Real P" || obligations.Where(o => o.RealPropertyId == 1 &&  searchString.Trim().Split(' ').All(s => o.Customer.Name.Contains(s))).Any(o => searchString.Trim().Split(' ').All(s => o.Customer.Name.Contains(s))));

        Console.WriteLine(list.Count());

        Console.WriteLine(list2.Count());

    }

}

​

public class RealProperty

{

    public string Name;

    public List<Obligation> Obligations;

}

​

public class Obligation

{

    public int RealPropertyId;

    public Customer Customer;

}

​

public class Customer

{

    public string Name;

}