AND
Beloved AND motherhood
- narrow your results
- tell the database that ALL search terms must be present in the resulting records
OR
Sula and (betrayal OR disloyalty)
- connect two or more similar concepts (synonyms)
- broaden your results, telling the database that ANY of your search terms can be present in the resulting record
NOT
Sula and identity NOT Beloved
- exclude words from your search
- narrow your search