Perhaps you should try some spelling variations:
"improving utility performance risk." » "improving judicial performance risk.", "improving quality performance risk.", "improve utility performance risk.", "improving equity performance risk.", "improving utility performance size.", "improving utility performance based.", "improving utility performance _."
"improving sme performance review." » "improving sme performance evidence.", "improving time performance review.", "improving use performance review.", "improving state performance review.", "improving _ performance review.", "improving air performance review.", "improving tax performance review."

Try widening your search to All Fields.

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

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