Perhaps you should try some spelling variations:
"conflicting requirements based history" » "containing requirements based history", "communicating requirements based history", "cooling requirements based history", "conflicting requirements basic history", "conflicting requirements case history", "conflicting requirements race history", "conflicting requirements bad history"
"constructive management features peer" » "construction management features peer", "konstruktiven management features peer", "constructive engagement features peer", "constructive management measures peer", "constructive management figures peer", "constructive management features paper", "constructive management features pt", "constructive management features key"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("constructive management features peer") or ("conflicting requirements based history"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("constructive management features peer") OR ("conflicting requirements based history"))*.
• Removing quotes may allow a broader search: (( constructive management features peer ) or ( conflicting requirements based history ))*.