Nguyen is taking an English study program that meets at Dominican University. She stays in housing at Concordia University.
The missing woman was last seen Tuesday when she told some classmates she needed to go get something from her dorm room, but she hasn't been seen since. Her friends and relatives are handing out fliers with her photo hoping someone will recognize her.
"We're just completely flabbergasted as to what's happened to her. we're really worried for her safety," said Andre Elstrom, cousin.
She was last seen wearing a gray zip up jacket, jeans and black shoes, carrying a pink bag. Anyone with information on her disappearance is urged to call the River Forest police.