You will find all the info on this thread :
https://www.canadavisa.com/canada-immigration-discussion-board/threads/how-to-order-gcms-notes-step-by-step-process.513893/
I’ve never done it myself. But here is the link: https://www.canadavisa.com/canada-immigration-discussion-board/threads/how-to-order-gcms-notes-step-by-step-process.513893/
You always orderGCMS notes after the first refusal. Google - orderGCMS notes. If you have just reapplied back to back (3 times) without addressing past refusal reasons, VO will wonder why.
HowtoorderGCMSnotes?
http://www.cic.gc.ca/english/department/atip/requests-atip.asp
How does an sample GCMS notes looks like?
http://www.canadavisa.com/canada-immigration-discussion-board/help-interpret-gcms-notes-t82594.0.html
got this from another topic :)