The important bit in the above text is " put in our criteria"! Yes that's the whole thing.
The criteria are the keywords. If your resume have them, your resume will bubble up to the top. That's the secret there is in all online job portals.
Are you using this effectively?
Are you filling the job portal form with some afterthought?
Are you enriching your resume with keywords, describing your profile, experience and education?
Are you placing your target job specific words in your resume?
Hope this thoughts will trigger and help you use online job portals in a much better way.