Basic caving module

[*el niño*]

Good day guys,
Im niño from Southeast Asia (particularly Philippines). My group is engage also in caving/spelunking activities in our place.
We are looking for a module like basic caving course & mapping/surveying so that our knowledge will be upgraded of this passion. We have undergone some caving trainings like ethics, technical know-how but we are not contented of what we had.
We do hope to hear from this forum soon & help us updated with the latest caving knowlege.
Thank you & more power to all.