How to scale service layer methods

We are at the design stage of developing an application.

We decided to implement DDD oriented design.

Our application has a service layer.

Each method in the service has its own task.

Sample

let's consider a user service.

This method gets all users

public User GetAll()
{
   //codes
}

Now if I want to sort all users by name.

Option-1

Use another method

public User GetAllAndOrderByAsc()

Or

public User GetAllAndOrderByDesc()

Different method for each different situation.

it doesn't look good at all

Option-2

Continue query at Api or Application level

public IQueryable<User> GetAll()
{
    //codes
}

Api or Application Level

var users = from u in _userService.GetAll()
            select u;

switch (sortOrder)
{
    case "name_desc":
        users = users.OrderByDescending(u => u.Name);
        break;
    case "name_asc":
        users = students.OrderBy(u => u.Name);
        break;
    default:
        users = students.OrderBy(u => u.Name);
        break;
}

The options that come to my mind are limited to these.

am I making a mistake somewhere or couldn't grasp the logic. would you help me?