Complex sentence: He registered to study Physics at 1988 on Univerzity of Jan Evangelista Purkyne in Brno but failed and later, in 1993 he started to study Sociology on Masaryk's Univerzita at Brno but failed again.
Split into simpler sentences: He registered to study Physics at 1988 on Univerzity of Jan Evangelista Purkyne in Brno but failed. Later, in 1993 he started to study Sociology on Masaryk's Univerzita at Brno but failed again.