It sounds really tricky. I'm guessing there's no evidence in your rewards account of the transaction. I have an email address for Woolworths rewards but last time I tried it in 2017 it took a couple of weeks to get a response. I am guessing the Rewards team will ask for proof of the transaction and details of the original offer. If you are able to send these in an email, you may have a chance of getting the points. This is the email I have used before.
[email protected]
I've used Live Chat before with mixed results but given there are two systems involved which should be linked but probably aren't properly linked, each system will ask the other one to fix matters or show proof of the transaction. Good luck.
I used an online offer sent to me by Woolworths Rewards the other day and I was able to see when I placed the order that the rewards number had been noted and the bonus points were already showing on the order. As a result the bonus points were in my rewards account before I even picked up the order. This is a great improvement compared to the way these deals used to work. Unfortunately in your case things didn't work as well as they should have. I hope things work out this time and better luck if you're brave enough to try again.