Perhaps you should try some spelling variations:
competence requirements » competency requirements, compliance requirements, competitive requirements
conjunctive management » comparative management
requirements based » requirements basic, requirements case, requirements race
based predictor » based prediction, based production

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 from history ) or ( competence requirements based predictor ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( conjunctive management from history ) OR ( competence requirements based predictor )).
• Adding a wildcard symbol may retrieve word variants: (( conjunctive management from history ) or ( competence requirements based predictor ))*.