Someone has sent a message on my phone and when I was on a website I went to search for something and that message popped up but I couldn't see the whole text how can i
Welcome to Android Central! Which phone? Are you saying that you were using the browser, and then you saw a notification popup from the top of the screen with part of the message? If so, then swipe down your notification panel and tap that message notification -- it'll open up your Messaging app to that message.