Perhaps you should try some spelling variations:
"comparative management practices editorial" » "compensation management practices editorial", "comparative management practice editorial", "comparative management practices historical", "comparative management practices material"
"competitive procurement a history" » "competitive procurement _ history", "competitive procurement 4 history", "competitive procurement e history"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("comparative management practices editorial") OR ("competitive procurement a history"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"comparative management practices editorial\") OR (\"competitive procurement a history\"))".
• Removing quotes may allow a broader search: (( comparative management practices editorial ) OR ( competitive procurement a history )).
• Adding a wildcard symbol may retrieve word variants: (("comparative management practices editorial") OR ("competitive procurement a history"))*.