A method of operating an electronic device is provided, the method including: receiving, by the electronic device that includes a display and a voice receiving device, a sequence of speech elements through the voice receiving device; displaying, on the display by the electronic device, first information that is based on at least a part of a first speech element out of the speech elements; and displaying, on the display by the electronic device, second information, which is different than the first information and is based on at least a part of a second speech element that is received later than the first speech element among the speech elements.