1. keywords; narrow your focus by adding another search term; variant word endings
arturo islas masculin*
* = truncation symbol/wildcard; child* = child, childs, children, childhood, childish...
2. "arturo islas" "the rain god"
on the left, limit to scholarly/peer reviewed articles; or limit to books, or...
3. advanced search; use quotes to search two or more words as a phrase; alternative terms
sexualit* or gay or queer
gay* or homosexual* or queer*
chican* or latino* or latina* or latinx