Perhaps you should try some spelling variations:
"great britain / commerce / test indies" » "great britain / commerce / west indies", "great britain / commerce / test induces", "great britain / commerce / test index"
"great britain / commerce / east indies" » "great britain / commerce / east india", "great britain / commerce / west indies"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"great britain / commerce / test indies\") OR (\"great britain / commerce / east indies\"))".
• Removing quotes may allow a broader search: (( great britain / commerce / test indies ) OR ( great britain / commerce / east indies )).
• Adding a wildcard symbol may retrieve word variants: (("great britain / commerce / test indies") OR ("great britain / commerce / east indies"))*.