Perhaps you should try some spelling variations:
"comparative management studies history" » "compensation management studies history", "comparative management series history", "comparative management study history", "comparative management services history", "comparative management students history", "comparative management states history", "comparative management stakes history"
"competitive procurement method history" » "competitive procurement methods 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 studies history") or ("competitive procurement method history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("comparative management studies history") OR ("competitive procurement method history"))*.
• Removing quotes may allow a broader search: (( comparative management studies history ) or ( competitive procurement method history ))*.