Type in a command, or "ls dictionary" to search all commands for "dictionary", etc.

man FiveNightsatFreddy's3iPhoneAppGame

No manual entry for FiveNightsatFreddy's3iPhoneAppGame.
To search for "FiveNightsatFreddy's3iPhoneAppGame", try typing ls FiveNightsatFreddy's3iPhoneAppGame.