Complex sentence: He started coaching A.D. Belemita, the C.S. Herediano, achieving good results with both teams, this lead him to be hired by Saprissa, where he worked for several years, winning three national tournaments with them.
Split into simpler sentences: He started coaching A.D. Belemita, then moved to C.S. Herediano, where he achieved good results with both teams. He was hired by Saprissa, where he worked for several years, winning three national tournaments with them.