i need a program regarding DETECTING POWER GRID SYNCHRONISATION FAILURE ON SENSING FREQUENCY OR VOLTAGE BEYOND ACCEPTABLE RANGE for 8051
So you'd better start writing it, then!
Alternatively, write a proper specification on which people could quote to do the work for you.
If you think a job in programming is done by Googling stuff written by others, please pack up your stuff and leave immediately, the industry is already flooded with the habitually talentless.
... or even getting others to do the Googling for you!