проводить проверку(It has emerged the Independent Police Complaints Commission (IPCC) is carrying out an inquiry into the Kent Police investigation. • You will know that the Nolan committee is carrying out an inquiry into conduct in public life and that many hon. Members are giving evidence to that committee.4uzhoj)
расследовать(I'm conducting an inquiry into the murder of a young woman. • The Warren Commission conducting an inquiry into the murder of President Kennedy implied grave doubts whether...4uzhoj)
расследование(An IAS officer was allegedly threatened of dire consequences and verbally abused by a secretary of a private trust and his son, during an inquiry into a theft case in the district on Wednesday, police said. • Yesterday, a police spokesman said: "Police Scotland are conducting an inquiry into a theft from Tayside division headquarters in Dundee.)
навести справки по поводу(e.g.: "Make a discreet inquiry also as to any strangers in the neighbourhood." – Sir Arthur Conan Doyle – Осторожно наведите справки по поводу посторонних лиц ... ART Vancouver)
метод познания(The dialectical method of inquiry is best described as research into the manifold ways in which entities are internally related – by Bertell Ollman Tamerlane)