An information processing apparatus which includes a first reception module configured to acquire first information of a character string selected through an input module from character strings displayed on a display module, a candidate creation module configured to create a plurality of character strings relevant to the selected character string as candidates based on the first information and to display the candidates on the display module, a second reception module configured to acquire second information of a character string determined through the input module from the candidates, and a retrieval module. The retrieval module is configured to receive the second information from the second reception module, perform information retrieval based on the second information, and display a result of the information retrieval on the display module.