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 rdcc history" » "competitive procurement act history", "competitive procurement role history", "competitive procurement risk history", "competitive procurement inc history", "competitive procurement etc history"

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

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