Perhaps you should try some spelling variations:
comparative management » compensation management
management process » management practices
procurement agent » procurement act, procurement audit, procurement market
process history » processes history, progress history, prices history
agent history » event history, kent history, payment 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 process history ) or ( competitive procurement agent history ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( comparative management process history ) OR ( competitive procurement agent history )).
• Adding a wildcard symbol may retrieve word variants: (( comparative management process history ) or ( competitive procurement agent history ))*.