Having such a hard time finding my 3great grandfather

Sebastian Munoz the only info i have from him he was from La Jabonera Nochistlan Zacatecas he married Sostenes Aguirre.
He was born approx 1875
I went page by page through the baptisms of the civil registrations
Nochistlan Zacatecas 1874-1877 & nothing today is going to be my 12th try.So please if anyone can help me find this Sebastian Munoz it would be really appreciated.