UvA Catalogue

Combine search terms

University Library

next = click

Use the Boolean operators AND, OR and NOTto 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 hitsPerhaps fitness is a better term than health here

health OR fitness

Use OR if either one of the terms must occur

sports

31 hitsUse NOT to exclude a term

football NOT soccer

Did you really filter out titles?

football

Yes, football NOT soccerhad 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