SELECT
    [titles].[title],
    [assets].[filename]
FROM
    titles
INNER JOIN
    assets ON titles.ID = assets.ID
WHERE
    (title LIKE '%Life-Span%'
     AND title LIKE '%Development%'
     AND title LIKE '%16E%'
     AND title LIKE '%99%'
     AND title LIKE '%Subject%'
     AND title LIKE '%Index%')

static void Main(string[] args)
{
    string searchText = "Life-Span Development 16E 99 Subject Index";

    using (Entities db = new Entities())
    {
        var result = db.titles
                    .Join(db.assets,
                            p => p.tid,
                            e => e.tid,
                            (p, e) => new {
                                 title = p.title1,
                                 fileName = e.filename
                            });

        var searchTextArray = searchText.ToLower().Split(' ');
        result = result.Where(t => searchTextArray.Any(s => t.title.ToLower().Contains(s)));

        foreach(var item in result)
        {
            Console.WriteLine(string.Format("Title = {0} and finename = {1}", item.title, item.fileName));
        }
    }

    Console.ReadKey();
}

namespace Like
{
    class Program
    {
        static bool Is(char a, char b)
        {
              return a == b ||
              char.ToUpper(a) == b ||
              char.ToUpper(b) == a;
        }
        static bool IsLike(string sample, string query)
        {
            int k = 0;
            foreach (char c in sample)
            {
                if (!Is(c, query[k]))
                {
                    k = 0;
                    continue;
                }
                if (++k == query.Length)
                    return true;
            }
            return false;
        }

        static void Main(string[] args)
        {
            string testSample = "This is a str1ng 0f charac7er5";
            Console.WriteLine(IsLike(testSample, "this"));
            Console.WriteLine(IsLike(testSample, "of"));
            Console.WriteLine(IsLike(testSample, "chAra"));
            Console.ReadKey();
        }
    }
}