Perhaps you should try some spelling variations:
"comparative management practices history" » "compensation management practices history", "comparative management practice history", "comparative management prices history", "comparative management practices historical"
"competitive procurement references formal" » "competitive procurement reference formal", "competitive measurement references formal", "competitive document references formal", "competitive procurement references from"

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 history") or ("competitive procurement references formal"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management practices history") OR ("competitive procurement references formal"))*.
• Removing quotes may allow a broader search: (( comparative management practices history ) or ( competitive procurement references formal ))*.