Perhaps you should try some spelling variations:
"competence requirements case history" » "competency requirements case history", "compliance requirements case history", "competitive requirements case history", "competence requirements based history", "competence requirements core history", "competence requirements race history", "competence requirements trade history", "competence requirements state history", "competence requirements life history"
"comparative management practices material" » "compensation management practices material", "comparative management practices materials", "comparative management practices editorial", "comparative management practices matter"

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