Her parents Meabh and Sebastien were seen being driven into an area sealed off by police.
The 12-acre (five-hectare) resort where the teenager disappeared from is next to a patch of thick jungle and in the foothills of a mountain range.
Nora was born with the brain defect holoprosencephaly and has special needs.
Besides police officers, others involved in the search operation were personnel from the Fire and Rescue Department, Civil Defence Force, Rela, the Orang Asli from the Senoi Praaq unit as well local Orang Asli community and villagers. "They are trying to get down there now".
An anonymous Belfast-based business donated a reward of 50,000 ringgit (9,858 pounds) for information leading to a rescue.
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Firmino, on the other hand, had a splendid game for Liverpool , despite not getting on the scoresheet against Norwich City . He added: "I'm really sure we will try to not make the game any more hard than it will be (for the officials)".
Meabh Quoirin said: "Nora is so precious to us and our hearts are breaking". Police from Ireland, France and the United Kingdom are also on site to assist in the investigation.
Cops from the Bukit Aman - equivalent to the Federal Bureau of Investigation - have been checking records of known paedophiles and other criminals in the area.
Police said the naked body of a female Caucasian was found earlier Tuesday 2.5 kilometers (1.6miles) from the Dusun eco-resort in southern Negeri Sembilan state, where Nora Anne Quoirin went missing on August 4. Police have said they are not discounting foul play.
St Bede's School in south London, which Nora attended, has opened its doors to allow the community "to join in prayer for Nora and her family.in this heartbreaking and horrific moment".
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The 33-year-old was rushed to a hospital in Abidjan with a fractured skull where he later died. According to BBC Afrique, he was a highly celebrated and accomplished Coupe Decale Artist.
Nora had been vulnerable since birth, never went out alone and had limited verbal communication skills, her family said last week, adding that she had visited many countries in Asia and Europe but never before wandered off.
The body has not been formally identified, but a charity handling media enquiries for her family says "it sadly seems likely".
An official explained that the body, which he said "resembles Nora", had been winched by helicopter to the hospital, PA reported.
"Our thoughts and prayers are now with Nora's family, at this most hard time".
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I know some people are smarting at it, but it's really not a laughing matter. "It doesn't make any sense". I won't be surprised if Brown's foot injury now lingers much longer than first anticipated.