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 preface history" » "competitive procurement practice history", "competitive procurement reform history", "competitive procurement office history", "competitive procurement prefaces history", "competitive procurement peace history", "competitive procurement greece 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 preface history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management practices editorial") OR ("competitive procurement preface history")).
• Removing quotes may allow a broader search: (( comparative management practices editorial ) or ( competitive procurement preface history )).
• Adding a wildcard symbol may retrieve word variants: (("comparative management practices editorial") or ("competitive procurement preface history"))*.