Perhaps you should try some spelling variations:
"english france / 18th century" » "english finance / 18th century", "english french / 18th century", "english farce / 18th century"
"english forces / 18th century" » "english farces / 18th century", "english farmer / 18th century"
"english dance / 18th century" » "english dante / 18th century", "english daniel / 18th century", "english since / 18th century"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("english france / 18th century") OR ("english dance / 18th century"))) OR ("english forces / 18th century")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"english france / 18th century\") OR (\"english dance / 18th century\"))) or (\"english forces / 18th century\"))".
• Removing quotes may allow a broader search: (((( english france / 18th century ) OR ( english dance / 18th century ))) or ( english forces / 18th century )).
• Adding a wildcard symbol may retrieve word variants: (((("english france / 18th century") OR ("english dance / 18th century"))) or ("english forces / 18th century"))*.