From this site one can link to the following sites :
To look online for court cases from both federal and state courts, use NexisUni
Once you’re in the NexisUni database, click the “Cases” under Guided Search.
By keyword. If you know neither the citation nor the name of a case, you can search by keyword in the main search box, for example, “first amendment” or “gun control.” You can limit your search to cases from particular jurisdictions, such as cases from just federal courts or from just the courts of a particular state.