Perhaps you should try some spelling variations:
"program improvements" » "general improvements" (Expand Search), "term improvements" (Expand Search), "group improvements" (Expand Search)
"program implementing" » "from implementing" (Expand Search), "trial implementing" (Expand Search)
"program implementingingededinged" » "from implementingingededinged" (Expand Search), "trial implementingingededinged" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("program improvements") OR ((("program implementing") OR ("program implementingingededinged"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"program improvements\") OR (((\"program implementing\") OR (\"program implementingingededinged\"))))*".
• Removing quotes may allow a broader search: (( program improvements ) OR ((( program implementing ) OR ( program implementingingededinged ))))*.