Nouns from your research question turn into keywords.
What does Primary Text suggest about Latinx identity, being Latinx, and/or Latinidades?
AND is used in most databases to ensure that each term is present somewhere in the search results: Latinx AND identity
The asterisk (*) is a symbol which allows for variant word endings: latin*=latino, latina, latinx, etc.
Quotes are used to indicate that the words enclosed must be searched as a phrase: "Pan's Labyrinth”
OR is used between terms to indicate that either term is acceptable: identity OR experience