Datacrons farming locations guide?

I haven't been able to find this, but is there a sector guide to help you to know in which sector to farm your next Datacrons level?

For example, I need Binding Mk2. I click on it and it only takes me to Conquest, not a specific sector. I've done about 10 farms and only gained 5 pieces.

So, is there a guide somewhere or is it all chance?