Perhaps you should try some spelling variations:
conjunctive management » comparative management
management structures » management strategies, management studies
overtime requirements » objective requirements, service requirements, over requirements
requirements modeling » requirements gathering, requirements design
structures history » structures story, structure story, pictures history
modeling theory » modelling theory, models theory, modern theory

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