Perhaps you should try some spelling variations:
"comparative management paul history" » "compensation management paul history", "comparative management part history", "comparative management par history", "comparative management plans history", "comparative management mail history", "comparative management rail history", "comparative management soul history"
"competitive procurement references history" » "competitive procurement reference history", "competitive measurement references history", "competitive document references history", "competitive procurement references list", "competitive procurement references factors", "competitive procurement references theory"

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