How do I actually use this on other sites? Seems I can't or am I missing something? Also you probably know this but if I make the abbreviation: hh = hello hell

How do I actually use this on other sites? Seems I can't or am I missing something? Also you probably know this but if I make the abbreviation: hh = hello hello Then add another one like: hhy = hello hello to you hh is replaced with "hello hello" before I can finish typing hhy.