Translation of "however much" into Spanish

And, however much they try to position the country as a poster-child, neither side is able to convince the other.

Pero, no importa cuánto intenten posicionar al país como un caso emblemático, ninguna de las ellas es capaz de convencer a la otra.

I mean it, Helen, however much it pains you.

Lo digo en serio, Helen, por mucho que te duela.

It is certain that they will impose this policy, however much their opponents react.

Sin embargo, es seguro que al final impondrán esta política, por más que reaccionen sus opositores.