I'm not talking about using the wizard to recreate the search. instead. on the results page, open the server behaviors panel (Window -> Server Behaviors). Double click the Data Assist Search server behavior to edit it.
select the criteria for the first check box and click the edit button. Change the Criteria Type from checkbox to edit.
Repeat for the second checkbox.
on the search page, select the checkboxes, in the property inspector, set the checked value to Y