Perhaps you should try some spelling variations:
"Codification on administrative building" » "Codification on administrative punishing" (Expand Search), "Codification on administrative hiring" (Expand Search), "Codification on administrative burden" (Expand Search)
"Codification on administrative running" » "Codification on administrative planning" (Expand Search), "Codification on administrative punishing" (Expand Search), "Codification on administrative hiring" (Expand Search)

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

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