Get ready before job interviews by going through the cursos gratuitos that are available online. Carry a copy of the application and find an outfit that suits the job you are interviewing. Assembled a list of questions and make additional documents associated with your previous experiences or training.
Remember that getting a good job usually takes some time. If you're not finding what you want straight away do not stop trying. Consider having a job that pays well even if this isn't what you need to do so you can help yourself while looking for a better job.
Try and have a number of the key phrases that the job you're applying to is looking for, if you are creating a resume.