Perhaps you should try some spelling variations:
"conjunctive management pictures history" » "comparative management pictures history", "conjunctive management features history", "conjunctive management figures history", "conjunctive management structures history", "conjunctive management prices history"
"competitive procurement methods history" » "competitive procurement authors history", "competitive procurement ethics 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 pictures history") or ("competitive procurement methods history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("conjunctive management pictures history") OR ("competitive procurement methods history")).
• Removing quotes may allow a broader search: (( conjunctive management pictures history ) or ( competitive procurement methods history )).
• Adding a wildcard symbol may retrieve word variants: (("conjunctive management pictures history") or ("competitive procurement methods history"))*.