Complex sentence: With the Lisbon-based club, Oliveira started in two out of his four seasons, helping it to two leagues and three domestic cups after which he returned to Marítimo, where he would play until 1990.
Split into simpler sentences: With the Lisbon-based club, Oliveira started in two out of his four seasons, helping it to two leagues and three domestic cups. He subsequently returned to Marítimo, where he would play until 1990.