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 plan history" » "competitive procurement plans history", "competitive procurement law history", "competitive procurement laws history", "competitive procurement poland history", "competitive procurement plains history", "competitive procurement plants 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 plan history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management practices editorial") OR ("competitive procurement plan history")).
• Removing quotes may allow a broader search: (( comparative management practices editorial ) or ( competitive procurement plan history )).
• Adding a wildcard symbol may retrieve word variants: (("comparative management practices editorial") or ("competitive procurement plan history"))*.