Start by thinking about a particular aspect of this topic to focus on. For example, are you wanting academic resources on Black Lives Matter, books on anti-racism in general, decolonization of curriculum?
Next, connect your keywords in a way that tells the library's Discovery search tool or library databases exactly what to search and find. The search terms (keywords you use to search) are what determine the results you get.
Some starter search strategies on topics related to anti-racism and racism in Canada: