An information processing apparatus 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 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.