The 14-year-old left a property on Dream Place in Melton South between 9 pm on Wednesday (May 1), and 5 am on Thursday (May 2).
She was final seen at Melton Railway Station round 11.50 am on Thursday.
Police have launched CCTV footage of her within the hopes that she is recognised and somebody can present details about her present whereabouts.
It is known later that day, Olioli boarded a V/Line prepare at Southern Cross Railway Station heading in the direction of Waurn Ponds round 12.50 pm.
Her household and police have issues for her welfare since she is new to Australia.
She is described as roughly 156cm tall with a slim construct, olive pores and skin and black hair.
Olioli was final seen sporting a black hoodie and black pants.
Anyone who sees Olioli or has info on her whereabouts is urged to contact Melton Police Station.
Source: www.9news.com.au