using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<Operation> operations = new List<Operation>

        {

            new Operation() { Name= "Exemplo 1", StartDate = DateTime.Now.AddDays(-1) },

            new Operation() { Name = "Exemplo 2", StartDate =DateTime.Now.AddDays(-10) },

            new Operation() { Name = "Exemplo 3", StartDate =DateTime.Now.AddDays(-20) },

            new Operation() { Name = "Exemplo 4", StartDate =DateTime.Now.AddDays(-30) },

            new Operation() { Name = "Exemplo 5", StartDate =DateTime.Now.AddDays(-45) },

            new Operation() { Name = "Exemplo 6", StartDate =DateTime.Now.AddDays(-50) }

        };

        List<Operation> operationsDois = operations.Where(x => x.Name == "Exemplo 1" || x.Name == "Exemplo 2").ToList();

        operationsDois.ForEach(p=> Console.WriteLine(p.Name));

    }

}

​

public class Operation

{

    public string Name { get; set; }

    public DateTime StartDate { get; set; }

}