I only get an abstract of the article. How do I get the entire text?

OneSearch

Use OneSearch to search for articles. On the results page, select the Available Online option from the filters on the left side of the page.

Databases

Individual databases, such as Academic Search Premier or U.S. Major Dailies have similar options. Look for "Full Text" or "PDF Full Text" filters when searching within individual databases. 

Other Options

1. "Google It" - Many journals are published as open access.  Search in Google with the article title and/or author name. 
2. Fill out an interlibrary loan request - This is a free service!  Create an account and then request a photocopy of the article.  While sometimes the process can take time, articles often arrive electronically within a few days.