Perhaps you should try some spelling variations:
"improving basic performance targets." » "improving based performance targets.", "improving bank performance targets.", "improving past performance targets.", "improving air performance targets.", "improve basic performance targets.", "improving public performance targets."
"improving basic performance contracts." » "improving based performance contracts.", "improving bank performance contracts.", "improving past performance contracts.", "improving air performance contracts.", "improve basic performance contracts.", "improving public performance contracts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving basic performance targets.") OR ("improving basic performance contracts."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving basic performance targets.\") OR (\"improving basic performance contracts.\"))".
• Removing quotes may allow a broader search: (( improving basic performance targets. ) OR ( improving basic performance contracts. )).
• Adding a wildcard symbol may retrieve word variants: (("improving basic performance targets.") OR ("improving basic performance contracts."))*.