If you're into complex female characters, definitely check out "The Great Beauty." It's got a stunning visual style and really gets into the intricacies of life through a female perspective. Another gem is "Mustang," which tells the story of five sisters fighting against oppression while navigating their own identities.
Since you enjoyed "Toni Erdmann," you might like "Wild Strawberries" by Ingmar Bergman, though it's more of an ensemble piece, it has some powerful female characters who drive the emotional narrative.
Have you seen "The Handmaiden"? It's a wild ride with incredible twists and a deep focus on the relationship between its two leads. Any specific themes or genres you're leaning towards?