Go to (718, 1860). There is a large rock with a dirt path just to the right of it. Run around the rock and follow the path past the back through the rocks, past the "Aging Bormu", to the Datacron.

This one is locked inside of a space chest. First, go under the platforms to the water below Bug Town and find the vendor across the pond at 672, 38 (see map). Buy a Lost Code Cylinder from him, then ...

This Datacron is in a cave on a mountainside that you can see from the trail to the Forward Camp. East from the Forward camp is the entrance to the cave located in Flesh Raider Territory at x:-28,y: ...