No they did not qualify for the 2006 world cup.
It was 2010 World Cup and it did qualify. Uruguay was fourth in that World Cup, only behind Spain (winner), The Netherlands (runner-up) and Germany (third).
South Africa did not qualify for 2006 FIFA World Cup
No Serbia had not qualified for the 2006 world cup.
Chile did not qualify for 2006 FIFA World Cup.
2006 FIFA World Cup
Italy will have to qualify for 2010 world cup as the rules have been changed by F.I,.F.A since 1998 world cup , even Brazil had to qualify in 2006.
How many times paraguay qualify for the world cup, and what is there team name back home?