Complex sentence: There, Đức commanded an operation that attempt to capture Ba Cụt in 1955, and although he told the media he would capture Ba Cụt within ten days, he was unable to do so.
Split into simpler sentences: There, Đức commanded an operation that attempt to capture Ba Cụt in 1955. He claimed to the media that he would capture Ba Cụt within ten days he was unable to do so.