It's possible:
* The title is incorrect. Double check the spelling and year.
* It's a lesser known or regional film. You might have more luck searching for it in Filipino databases or online forums.
* It's a fictional story. There might not be an actual film or TV series made about Onyok Velasco.
To help you further, could you provide more context or details about the film you're looking for?
* Is this a documentary or a fictional story?
* Where did you hear about this film?
* Do you remember any other details, like the director or the plot?
The more information you give, the better chance we have of finding the correct film.