Complex sentence: He came to Dhaka later that year to join 9th Division and received training at Mirpur Staff College, and worked for two years as a trainer and went to Alikadam of Chittagong Hills.
Split into simpler sentences: He came to Dhaka later that year to join 9th Division and received training at Mirpur Staff College. There he worked for two years as a trainer and again went to Alikadam of Chittagong Hills.