Perhaps you should try some spelling variations:
"program implemented" » "program improvements" (Expand Search)
"program implementedinginged" » "program improvementsinginged" (Expand Search), "program implementedenhanced" (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 improvementsededing") OR ("program implementedinginged"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"program implemented\") OR (((\"program improvementsededing\") OR (\"program implementedinginged\"))))".
• Removing quotes may allow a broader search: (( program implemented ) OR ((( program improvementsededing ) OR ( program implementedinginged )))).
• Adding a wildcard symbol may retrieve word variants: (("program implemented") OR ((("program improvementsededing") OR ("program implementedinginged"))))*.