Perhaps you should try some spelling variations:
"comparative management practices historical" » "compensation management practices historical", "comparative management practices editorial", "comparative management states historical", "comparative management practice history"
"competitive procurement 4 history" » "competitive procurement _ history", "competitive procurement a history", "competitive procurement e history", "competitive procurement 2 history", "competitive procurement 1 history", "competitive procurement 3 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 historical") OR ("competitive procurement 4 history"))~.
• Removing quotes may allow a broader search: (( comparative management practices historical ) or ( competitive procurement 4 history ))~.
• Adding a wildcard symbol may retrieve word variants: (("comparative management practices historical") or ("competitive procurement 4 history"))*.