Complex sentence: He joined Red Star Belgrade in Serbia in July 2008, on a season-long loan, but, in January of the following year, he was released by Porto and returned to Brazil, signing for Clube de Regatas Vasco da Gama.
Split into simpler sentences: He joined Red Star Belgrade in Serbia in July 2008, on a season-long loan. However, in January of the following year, he was released by Porto and returned to Brazil, joining Clube de Regatas Vasco da Gama.