Enter schedule c in the Search box located in the upper right of the program screen.  Click on Jump to schedule c

My screen shows you are using the on line version of TurboTax self-employed. If you just use the program the way it is designed and intended to be used, once you complete all the personal information under the "My Info" tab, then the *very* *first* *thing* you are asked for under the business tab, is business income and expenses. So there really should be no need to search for anything.