The jobstreet.com

I've been searching for a new job from jobstreet.com for soooo loooonnng for a simple vacancy in admin in the office job 9-5.... Too many jobs i've applied but to no avail still haven't got any calls from any of the job I've apply call for interview. I guess i'm still waiting for the luck to come or maybe i demand too much on the salary? hummm...anyone can suggest what are the alternatives?