Start with the most certain clue
A distinctive title fragment usually works better than several uncertain details. Use the cast or director mode when a person's name is the strongest clue. The results cover the catalog's recorded credits, not a complete career filmography.
Add filters gradually
Choose the format, then a genre or original language if it helps. Use release dates when you remember a period. If the results disappear, remove the least certain condition first. A local release year may differ from the recorded production date.
Check adaptations
One Piece animation and live action are separate series. The two Ghosts productions also retain separate years and seasons. Match the year and cast before using an episode query or creating a checkpoint. A similar title is a clue to inspect, not proof that you have the correct show.