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: "((\"English language Programmed introduction.\") OR (\"English language Programmed reproduction.\"))~".
• Removing quotes may allow a broader search: (( English language Programmed introduction. ) OR ( English language Programmed reproduction. ))~.
• Adding a wildcard symbol may retrieve word variants: (("English language Programmed introduction.") OR ("English language Programmed reproduction."))*.