I have been searching on google but haven't really found a really well explained guide about trading bitcoins or cryptocurrency in detail. I would be very interested if there was one, maybe someone knows a good one that is not just bullshit
there aren't any guides about trading bitcoin because technically it is like trading anything else, so try searching for trading in general and learn technical analysis if you like, it may not be the best thing but it is certainly helpful.
also there is no guide on how to trade cryptocurrencies as in "trading altcoins" because that is a fake pump and dump market and you can't really use knowledge of trading to apply to a manipulated market.