Fill in as much information as you can. This will make the search easier and quicker.
Was the email received or sent by you? Check Received or Sent.
In the Find This Text fill in any key words that were in the subject line or the message itself.
In the Email address contains fill in who the email was received from or sent to.
In order to search for "Find this text" in the entire message click the Message box.
In order to search for "Find this text" in the subject, click the Subject box.
You may click both boxes.
That is all that is needed.
You might fill in the date range, or limit the number of messages if you like, but it is not necessary. It might save time in certain searches.
Your results will show up shortly. Click on any message to open it. You will then find icons which will allow you to print or email the message.