Perhaps you should try some spelling variations:
"global environment performance system." » "global environmental performance system.", "global environmental performances system.", "global government performance system.", "global environment performance based.", "global environment performance size.", "global environment performance issues."
"legal investment financing series." » "legal investment banking series.", "legal government financing series.", "legal investment planning series.", "real investment financing series.", "local investment financing series.", "global investment financing series.", "legal investment financing sources.", "legal investment financing cities.", "legal investment financing smes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("legal investment financing series.") OR ("global environment performance system."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"legal investment financing series.\") OR (\"global environment performance system.\"))*".
• Removing quotes may allow a broader search: (( legal investment financing series. ) OR ( global environment performance system. ))*.