Pierre Fabre interview questions

The interview process is completely a mess and waste of time. HR based Vietnam. At the beginning, they said there will be three rounds: 1. HR + line manager; 2. Regional HR (Vietnam); 3. General Manager. However, I was only told that line manager could not make it after the interview started, and then, they asked me to do F2F with line manager after round 2. So in the end I had to took three times leaves to attend every single interview. After the interview with line manager, he said the final round will be arranged in half a month and he asked me to redo the case study and present in the final round. However, afterwards, they completed ghosted me. Even if I submitted the case study in advance via email and asked twice for the updates, nobody replied at all.