Note: you need to log in as an institutional user (i.e. your university name). You also need to do single sign-on log in with you university user id and user password (unless the computer system remembers this information).
Step 1: visit an academic journal publisher's website
Step 2: specify your university name here.
Step 3
Step 4: now you are an authorized user.
Step 5: now you could do journal browsing or literature search with the website's search engine.