The chat range is restricted and not global, so that might be a reason for you not getting any response.
Another reason might be that the game is still in a quite early stage, so most of the players only occasionally log in to check the progress the devs made.
If you want to play together with people you might look into those threads:
PS: Please consider using the search function before you make a new thread in the future. There are already plenty of threads with people asking about the lack of players.