bluffing is important, but there's a lot of movements you have to learn before start bluffing.
Think in your chips like bullets, you have some shots, it's very important choose well what cards you will play, bluff is like bullet without powder, this is make no effect against you opponent, he need be afraid and get out the hand.
For make anyone fold you need to tell a great history with the situations in the game, like your image at the table, your stack, your position, any villains
tells after some card, because this is very important understant about
odds, and do not forget the size bet, the wrong size can make you loose the hand and your image at the table.
Try learning basic strategies, when more you play, more you will learning, you need to understand bluff and how to read yours opponents bluffs, after this you will make bluffs more effectives, don't try bluff against callstations.
Good Lucky