Although the category is requested to be "Other / Unclassified", I can select from the list. Based on this actual content "online secret" it most closely relates to "Secret" or Hidden information or activities which is either found in "Gaming & Esports" the option here.

Tegridy Farms is likely a personal or lifestyle brand, however a specific category has been found! Other / Unclassified

Based on the given text (ANONYMUSVI(_)ZN), and despite the fact that the text can be something other than the Telegram entity's name since it only contains the text used by an entity within it, I found the following category that is most relevant. Technology & Programming

Telecommunications or more specifically telecommunications for a messenger is not found in list, however on the other hand, "Technology & Programming" is there and "Messaging" is actually more precisely expressed by: "Chat Apps / Messengers" is not, however part of communication, Communication Apps would be in Social & Community as well Telecommunications can be said to be included under the broad category of technology

No category found

You haven't specified which category corresponds to "Serdaliev_blogi" but I found that "Serdaliev" is a surname, possibly belonging to a Russian blogger named Kris Serdaliev who runs a pro-Russian channel. Based on the Content description in Russian which corresponds to Science, Technology and Society. Therefore I suggest: Ethical Hacking & Cybersecurity

Truth Theory is not explicit in its category, but based on the general context, it seems to fall under: Philosophy, Ethics and or general information could be suitable, but can't be found on the list, the most suitable match would then be: Spirituality & Religion

Teen mới lớn No exact match found, however, the most relevant category is "Self-Improvement & Motivation" or "Education & Learning"

No category found.

Shooter Family isn't found on the list. However, one relevant category may be Military & Survival.

Technological information cannot be found about 'Khaos Incubation Hub'. Based on general information, I would categorize 'Khaos' under the "Technology & Programming" category.

Unknown. No suitable category found.