Perhaps you should try some spelling variations:
"improving can performance contract." » "improving can performance contracts.", "improving chain performance contract.", "improving loan performance contract.", "improving human performance contract.", "improving care performance contract.", "improving a performance contract.", "improving co performance contract."
"improving poor performance targets." » "improving sector performance targets.", "improving power performance targets.", "improving food performance targets.", "improving peer performance targets."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving poor performance targets.") or ("improving can performance contract."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving poor performance targets.") OR ("improving can performance contract.")).
• Removing quotes may allow a broader search: (( improving poor performance targets. ) or ( improving can performance contract. )).
• Adding a wildcard symbol may retrieve word variants: (("improving poor performance targets.") or ("improving can performance contract."))*.