Complex sentence: Upon retiring from playing, he joined his former Bournemouth manager John Bond as a coach at Norwich City during the 1970s and later had two spells on the coaching staff at Swansea City during the 1980s.
Split into simpler sentences: Upon retiring from playing, he joined his former Bournemouth manager John Bond as a coach at Norwich City during the 1970s. He later had two spells on the coaching staff at Swansea City during the 1980s.