Perhaps you should try some spelling variations:
"improving contract performance contract." » "improving country performance contract.", "improving court performance contract.", "improving corporate performance contract.", "improving contract performance contracts.", "improve contract performance contract.", "improving central performance contract.", "improving coverage performance contract."
"improving loan performance reviews." » "improving loan performance review.", "improving loan performance reports.", "improving loan performance risks.", "improving poor performance reviews.", "improving bank performance reviews.", "improving _ performance reviews.", "improving local performance reviews.", "improving land performance reviews.", "improving road performance reviews."

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

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