todo lo que tengo que decir es que no tengo nada que decir
can you tell me what this says
Tengo que hablar con tigo means I have to talk to you.
I have to speak with you. (contigo is one word)
I don't know what tengo que hablar con tigo means
All that I have to say is that I don't have anything to say.
All I have to say it that I don't have anything to say.