Perhaps you should try some spelling variations:
"comparative management par history" » "compensation management par history", "comparative management part history", "comparative management plan history", "comparative management paul history", "comparative management war history", "comparative management paris history", "comparative management party history"
"competitive procurement reference factors" » "competitive procurement references factors", "competitive procurement experience factors", "competitive procurement evidence factors", "competitive procurement preference factors", "competitive procurement references factory"

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