Xem-phim-loan-luan-chu-va-chau -
Also, the user might have intended to ask about a movie titled "Chủ và Cháu" but added "loan loan" for emphasis or a specific genre. Or maybe they made a typo with the words. It's possible they meant "Loan Luan" as in "loan lẫn" (mixed up) but spelled it as "loan loan".