Complex sentence: In July 2007, he made a permanent move to VfL Wolfsburg and now in January 2008 he was loaned to VfB Stuttgart, who didn't use the option to sign the forward permanently.
Split into simpler sentences: In July 2007, he made a permanent move to VfL Wolfsburg. In January 2008 he was loaned to VfB Stuttgart, who didn't use the option to sign the forward permanently.