Use the Library databases to search for articles. Databases collect and index a big number of journals running through long time periods. Databases offer searching features that help you find what you need using and combining keywords, and limiting your search by type and date of publication. See Search Techniques.
Start your search using subject databases, then use Multidisciplinary databases for a broader coverage.
Use SearchAll to search across databases and find articles, books, conference papers, e-reserves, & more
Try the following multidisciplinary databases, they cover a big number of journals from different fields of knowledge: