Google has some pretty cool open-source libraries [1] for working with OR type problems as well. Their guide explains some common problems from a high level and should give you some more keywords and topics to dive into as well.
I'd also recommend MIT's SCM course [2], it has a solid curriculum
[0] https://en.wikipedia.org/wiki/Operations_research [1] https://developers.google.com/optimization/introduction/over... [2] https://micromasters.mit.edu/scm/