Text this: A topical structure analysis to create coherence in English essays of fourth year students at English Department at Vietnam National University, University of Language and International Studies

  _  _    __   __  __    __   _    _     _____   
 | \| ||  \ \\/ // \ \\ / // | || | ||  / ____|| 
 |  ' ||   \ ` //   \ \/ //  | || | || / //---`' 
 | .  ||    | ||     \  //   | \\_/ || \ \\___   
 |_|\_||    |_||      \//     \____//   \_____|| 
 `-` -`     `-`'       `       `---`     `----`