Despite the library being closed, you can still acces databeses from your computer. The portal of electronic information resources is still open: https://ezdroje.muni.cz/index.php?lang=en
You can use the system discovery.muni.cz platform, which searches multiple databeses at once. You can also find a large quantity of e-books there, here is a guide on how to search for them: https://is.muni.cz/do/sukb/kuk/materialy/eng/eiz/pages/discovery.html
If you need databeses Beckonline.cz, Oxford, Taylor and Francis Kluwer journal přes EZproxy or VPN, all Handbooks are indexed here: discovery.muni.cz
If you are looking for a document from the old fund, try the Digital library. A part of the fund is already scanned and available: https://digi.law.muni.cz/
Scanning parts of books, downloading an article from databases upon request followed by an e-mail is not available.