code: def find_tracked_words(self, tokens):
          
          tracked_words = []
  
          for i in range(len(tokens)):
              for j in range(i + 1, len(tokens) + 1):
                  phrase = tokens[i:j]
                  status = self.has_tokens(phrase)
  
                  if status is not None:
                      if status is True:
                          tracked_words.append(TokenTrie.Token(phrase, i, j - 1))
                      elif status is False:
                          break
  
          return tracked_words
docs: Finds word-ranges all of phrases in tokens stored in TokenTrie
  
          :param tokens: Sequence of tokens to find phrases in
          :type tokens: list of str
          :return: List of Tokens found in tokens