The catalog is the search tool to find books and films.To search for a subject when you don't know the exact search term or subject, first search by keyword, then look for relevant records and, using the full record of a book, see if there are any relevant Library of Congress Subject Headings (LCSH) to further your search.
Potential starting keywords
Anthropology
Ethnology
Fieldwork
Combined with keywords that describe the cultural practice or aspect of campus life you're studying
For example....
Dining halls / cafeterias
Residence halls / dormitories
Fraternity / sorority / Greek organizations
Athletics / college sports / college athletes
Public spaces / third places / plazas
Classroom / classroom layout / classroom design
Library / study spaces