Below is a search string(s) for your population that you can use to begin a search of CINAHL. Copy and paste the string into the first search box and then use the second search box to explore keywords and subject headings that reflect the cultural aspects/topics of interest.
(MH "Hispanics" AND MH "United States+") OR (hispanic* n3 American*) OR (Mexican* n3 American*)
In order to limit results to nursing journals from the search results screen, select "Show More" link under "Publication Date" on the left side of the screen. Once the Search Options menu opens, click on "Nursing" in the "Journal Subset" menu and then click "Search".