The databases the Libraries' offers allows you to search for articles, chapters, company profiles, and stocks analysis in full text in many cases (anything the University doesn't have you can request from InterLibrary Loan https://libraries.uark.edu/ill/default.asp ).
What are some ways to get more out of your searching?
Boolean operators : AND OR NOT
Truncated searching : * !
Grouping with parenthesis : (A or B) and C