title: how to grep multiple words from different lines in same log
body: <p>I want to grep for files containing the words in different line from same log. the words are <strong>checkCredit?msisdn=766117506</strong> and <strong>creditLimit</strong></p>
  
  <p>The log file is like this </p>
  
  <p>freeMemory 103709392time Mon Mar 12 04:02:13 IST 2018
  <a href="http://127.0.0.1:8087/DialogProxy/services/ServiceProxy/" rel="nofollow noreferrer">http://127.0.0.1:8087/DialogProxy/services/ServiceProxy/</a><strong>checkCredit?msisdn=767807544</strong>&amp;transid=45390124
  freeMemory 73117016time Mon Mar 12 04:02:14 IST 2018
  statusCode200
  {statusCode=200, response=outstandingAmount 0.0 <strong>creditLimit 0.0</strong>, errorResponse=, responseTime=0}
  this is balnce 0.0</p>
  
  <p>What is the best way to do this?</p>