Perhaps you should try some spelling variations:
"require high coverage" » "required high coverage" (Expand Search), "require high average" (Expand Search)
"requireds high coverage" » "requiredds high coverage" (Expand Search), "requireds high average" (Expand Search), "required high coverage" (Expand Search)
"requires high coverage" » "requireds high coverage" (Expand Search), "requires high average" (Expand Search), "required high coverage" (Expand Search)

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: (("require high coverage") OR ((("requireds high coverage") OR ("requires high coverage"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"require high coverage\") OR (((\"requireds high coverage\") OR (\"requires high coverage\"))))".
• Removing quotes may allow a broader search: (( require high coverage ) OR ((( requireds high coverage ) OR ( requires high coverage )))).
• Adding a wildcard symbol may retrieve word variants: (("require high coverage") OR ((("requireds high coverage") OR ("requires high coverage"))))*.