If by titles you mean Products ...

I would like to have same rates for all countries (3 EUR for first and second titles and plus 2 EUR for each addition titles)
You would need to write your own shipping module as Flat Rate flat is 1 Charge for everything in the Shopping Cart ...

Item Rate item is 1 charge per quantity and if you want the first Item to be more, you can use the Handling such as:

Shipping Cost 2.00
Handling Fee 3.00

If you are shipping to the World, then you do not need Zones ...

If you only ship to a limited area, then you can build a Zone Definition and in the DETAILS set the Countries and Zones that you ship to ...