Perhaps you should try some spelling variations:
"addison-western learning series" » "addison-modern learning series", "addison-learn learning series", "addison-western painting series", "addison-western learning services", "addison-western learning stories", "addison-western learning serious"
"addison-pattern learning series" » "addison-pattern mining series", "addison-modern learning series", "addison-pattern learning services", "addison-pattern learning stories", "addison-pattern learning serious"

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: "((\"addison-western learning series\") OR (\"addison-pattern learning series\"))".
• Removing quotes may allow a broader search: (( addison-western learning series ) OR ( addison-pattern learning series )).
• Adding a wildcard symbol may retrieve word variants: (("addison-western learning series") OR ("addison-pattern learning series"))*.