Sometimes I get a text that is long and says (more) at the end. How do I get the rest of the message?

[AC Question]

sometimes I get a text that is long and says (more) at the end.

sometimes I get a text that is long and says (more) at the end. I can see the rest of the message line by line in the incoming view screen at the top of my phone but thebrest of the message never appears in the text conversation. how do I find