Methods, systems, and apparatus, including computer program products, in which an input method editor receives composition inputs in an input method editor environment, the composition inputs based on user inputs. Candidate selections are identified in the input method editor environment based on the composition inputs. Each candidate selection comprises one or more ideograms. The input method editor environment receives a search command based on a user input, and selects one of the candidate selections in response to the search command. The selected candidate selection and the search command are provided to a search engine interface external to the input method editor environment.