Perhaps you should try some spelling variations:
conjunctive management » comparative management
procurement measures » procurement issues, procurement methods, procurement market
management based » management case, management best, management board
measures centers » measures contents, measures cancer, measures central
based history » case history, bad history, basic history

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( conjunctive management based history ) or ( competitive procurement measures centers ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( conjunctive management based history ) OR ( competitive procurement measures centers )).
• Adding a wildcard symbol may retrieve word variants: (( conjunctive management based history ) or ( competitive procurement measures centers ))*.