"conduct inquiries" is correct and usable in written English.
You can use it to refer to research or investigating a matter. For example, "The detective conducted inquiries into the suspicious activity in the area."
Any information is gratefully received but thereinafter the police will conduct inquiries".
"We could conduct inquiries into thoroughgoing success, but what would be the point?
Investigators must cross into the rebel-held zones of Darfur to exhume evidence and conduct inquiries there as well.
Judges are used to being called in by ministers to conduct inquiries when public things have gone wrong.
On one occasion Rees was paid £1,500 to conduct inquiries into an illegal immigration scam that was later published as a NOTW exposé.
A spokesman for ACBPS added: "The Australian Customs and Border Protection Service's internal professional conduct inquiries associated with the incursion of Australian vessels into Indonesian waters are ongoing.
Following the public outcry over the suppression of the incident, the ACB appointed Rob O'Regan QC to head up a Player Conduct Inquiry.
Wiltshire Police are conducting inquiries relating to his residence at Arundells, in Salisbury.
The inspector general of intelligence and security monitors the intelligence agencies, conducts inquiries and investigates complaints.
The Naval Criminal Investigative Service and the Joint Personnel Recovery Agency are conducting inquiries into the events surrounding Corporal Hassoun's disappearance.
The commission has 30 years of experience in conducting inquiries and submissions processes.
