Perhaps you should try some spelling variations:
"global environmental performance reviews." » "global environment performance reviews.", "global environmental performance review.", "global environmental performance reports.", "global environmental performance risks."
"global environmental performance contract." » "global environment performance contract.", "global environmental 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: (("global environmental performance reviews.") OR ("global environmental performance contract."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"global environmental performance reviews.\") OR (\"global environmental performance contract.\"))".
• Removing quotes may allow a broader search: (( global environmental performance reviews. ) OR ( global environmental performance contract. )).
• Adding a wildcard symbol may retrieve word variants: (("global environmental performance reviews.") OR ("global environmental performance contract."))*.