Perhaps you should try some spelling variations:
"program implemented" » "program improvements" (Expand Search)
"program implementededededed" » "program improvementsedededed" (Expand Search)
"program improvementsededing" » "program improvementshowing" (Expand Search), "program improvementsincluding" (Expand Search), "program improvementachieving" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("program implemented") OR ((("program implementededededed") OR ("program improvementsededing"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"program implemented\") OR (((\"program implementededededed\") OR (\"program improvementsededing\"))))".
• Removing quotes may allow a broader search: (( program implemented ) OR ((( program implementededededed ) OR ( program improvementsededing )))).
• Adding a wildcard symbol may retrieve word variants: (("program implemented") OR ((("program implementededededed") OR ("program improvementsededing"))))*.