Perhaps you should try some spelling variations:
"comparative management biases history" » "compensation management biases history", "comparative management based history", "comparative management cases history", "comparative management classes history", "comparative management bias history", "comparative management pirates history", "comparative management states history"
"competitive procurement references factors" » "competitive procurement reference factors", "competitive measurement references factors", "competitive document references factors"

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