The text you provided is a "Mojibake" (corrupted) version of a Thai file name. When decoded from the character errors, the full text refers to chapters 801–900 of a popular Thai-translated web novel, most likely (Star Martial God Technique) or a similarly titled " Peerless Martial God " series. The original Thai text intended for that file name is:
This specific PDF file contains chapters 801 to 900 of the novel. The text you provided is a "Mojibake" (corrupted)
This happens when a file name written in Thai (UTF-8) is incorrectly interpreted by a system using Cyrillic (Windows-1251) or Latin-1 encoding. The characters like аё are the resulting "ghost" characters from that encoding mismatch. This happens when a file name written in
ยอดยุทธ์ยุคดวงดาว (Yod Yut Yuk Duang Dao) English Title: Star Martial God Technique The text you provided is a "Mojibake" (corrupted)
Files with this exact naming convention are frequently shared on Google Drive or hosted on document platforms like Scribd for reading Thai-translated web fiction.