Greetings

i can help you with some greetings

Que onda-Mexico/chicano
Que transa-Mexico(i think)/Chicano
Que la que hay-Puerto Rico
Que lo que (my favorite)-Dominican Republic*
Que bola-pretty sure this one is Cuban
Que pasa isn't used normally, but is still ok to say
Que pasó means what happened. That was is important to know

*note: que lo que is abbreviated as k lo k, or more commonly just klk.