Implementations of the present disclosure include actions of providing first text for display on a computing device of a user, the first text being provided from a first speech recognition engine based on first speech received from the computing device, and being displayed as a search query, receiving a speech correction indication from the computing device, the speech correction indication indicating a portion of the first text that is to be corrected, receiving second speech from the computing device, receiving second text from a second speech recognition engine based on the second speech, the second speech recognition engine being different from the first speech recognition engine, replacing the portion of the first text with the second text to provide a combined text, and providing the combined text for display on the computing device as a revised search query.