Christchurch police and a specialist search group are conducting a fresh round of searches for missing real estate agent Yanfei Bao.
The 44-year-old was last seen on 19 July - 84 days ago - in the suburb of Hornby.
Tinjun Cao, 52, has been charged with her kidnapping and murder.
Police said on Thursday they would be searching south of Christchurch in Motukarara and Greenpark on Hudsons Road, Jarvis Road and along the edge of Te Waihora Lake Ellesmere.
A spokesperson said police remained "determined and committed to finding Ms Bao".
Police urge anyone with information to contact them on 105 or go online on Update Report and quote file number 230720/5911.