Choose more databases in EBSCOhost, including ERIC.
Use college dropouts, not college drop outs.
Check 2 check boxes on the search page to get better results. They are: Also search within the full text of the articles and Apply equivalent subjects.
Use a search engine like Google to search for college dropouts. The results you find may give you other terms to describe your topic. Then, use those terms in your EBSCOhost search.