Perhaps you should try some spelling variations:
"improving larval performance review." » "improving level performance review.", "improving thermal performance review.", "improving maximal performance review.", "improving larval performance risk.", "improving larval performance evidence.", "improving local performance review.", "improving legal performance review.", "improving land performance review."
"improving indoor performance series." » "improving outdoor performance series.", "improving poor performance series.", "improving donor performance series.", "improving indoor performance studies.", "improving indoor performance size.", "improving india's performance series.", "improving food performance series.", "improving gender performance series."

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

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