"No police car was sent to the location I told them, and nothing else happened," Mr Lieb said.
"Today [Monday] I saw them for the third time, and I am really frustrated, because I am searching now for the last three days in Kaitaia for them."
He did not believe the police had made any effort to recover his property, and hoped the Northland Age could pressure on the police into making a greater effort to find the car.
"I also hope that more people will look for the car and be able to give information, if they see it," he added.
"You are my last hope to get at least some of my stuff back, and to help backpackers in the future by apprehending the thieves."
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Acting Senior Sergeant Sarah Wihongi said she was not aware of Mr Lieb's complaint, but it would be investigated.
The officers who dealt with him initially had gone to great lengths to be of assistance to him, and it was not clear whether his later contact had been directly with the Kaitaia station or via 111.