Complex sentence: Some would go to the hinterland of Goias, until the Amazon river others to the coastline from the river of Patos until the river Prata, going to the river Uruguai and Tibagi.
Split into simpler sentences: Some would go to the hinterland of Goias, until the Amazon river. Others to the coastline from the river of Patos until the river Prata, going to the river Uruguai and Tibagi.