UvA Catalogue Combine search terms University Library next = click

Use the Boolean operators AND, OR and NOT to combine search terms AND : all terms must occur (restrict) OR : at least one of the terms must occur (expand) NOT : a term must not occur (restrict) computers AND education computers OR education computers NOT education green = search result

You are looking for titles on the relation between sports and health Use AND to combine search terms (default operator) sports health

22 hits Perhaps fitness is a better term than health here

health OR fitness Use OR if either one of the terms must occur

sports

31 hits Use NOT to exclude a term

football NOT soccer

Did you really filter out titles?

football

Yes, football NOT soccer had 78 hits

Summary  Use AND to restrict the search result: all terms must occur  Use OR to expand the search result: at least one of the terms must occur  Use NOT to restrict the search result: a specific term must not occur