He returned to Brazil to train America-MG. His international experience continued when he went to Asia to command the Thailand national team.

Then he went for the third time to Saudi Arabia, to train Al-Ansar SC and later Al Shabab FC (Riyadh).

In 2008, he commanded the Madureira in the Carioca Championship, having left the position to work in the exterior.

Carlos took charge of Thailand Premier League side Bangkok Glass in June 2009 as a technical director and in 2010 as a head coach.

However, his Muangthong United lost on penalties to Indonesia's Sriwijaya in the 2011 AFC Champions League qualifying play-off, eliminating them from the tournament.