Perhaps you should try some spelling variations:
"improving land performance reviews." » "improving land performance review.", "improving land performance reports.", "improving land performance risks.", "improving plant performance reviews.", "improving fund performance reviews.", "improving und performance reviews."
"improving do performance 2019." » "improving do performance _.", "improving do performance a.", "improving di performance 2019.", "improving 2 performance 2019.", "improving 3 performance 2019.", "improving co performance 2019.", "improving eco performance 2019.", "improving pro performance 2019."

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 do performance 2019.") or ("improving land performance reviews."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("improving do performance 2019.") OR ("improving land performance reviews.")).
• Removing quotes may allow a broader search: (( improving do performance 2019. ) or ( improving land performance reviews. )).
• Adding a wildcard symbol may retrieve word variants: (("improving do performance 2019.") or ("improving land performance reviews."))*.