Thi Nguyen, 15, was last seen on January 28 at an address in Eveline Street Brunswick.

She was staying there while studying at an English language school in Carlton.

Thi has no known family members or friends in Victoria as she is originally from Vietnam.

All attempts by police to contact her have been unsuccessful.

Thi is described as 155 centimetres tall, with a slim build, olive complexion and long, dark hair.

Anyone who sees Thi Nguyen or may know her whereabouts is asked to contact 000 (triple zero) or Crime Stoppers on 1800 333 000 or visit: