Perhaps you should try some spelling variations:
"nijhoff boston charles 2006" » "nijhoff bolton charles 2006", "nijhoff cotton charles 2006", "nijhoff barton charles 2006", "nijhoff boston charles 20", "nijhoff boston charter 2006", "nijhoff boston charles 1809"
"nijhoff boston charles 1656" » "nijhoff bolton charles 1656", "nijhoff cotton charles 1656", "nijhoff barton charles 1656", "nijhoff boston charles 1650", "nijhoff boston charles 1772", "nijhoff boston charles 1713"

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: "((\"nijhoff boston charles 2006\") OR (\"nijhoff boston charles 1656\"))*".
• Removing quotes may allow a broader search: (( nijhoff boston charles 2006 ) OR ( nijhoff boston charles 1656 ))*.