Perhaps you should try some spelling variations:
"requires high coverage" » "required high coverage" (Expand Search)
"requiresd high coverage" » "requiredd high coverage" (Expand Search), "required high coverage" (Expand Search), "require high coverage" (Expand Search)
"requiresd high average" » "requiredd high average" (Expand Search), "required high average" (Expand Search), "require high average" (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: (("requires high coverage") OR ((("requiresd high coverage") OR ("requiresd high average"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"requires high coverage\") OR (((\"requiresd high coverage\") OR (\"requiresd high average\"))))".
• Removing quotes may allow a broader search: (( requires high coverage ) OR ((( requiresd high coverage ) OR ( requiresd high average )))).
• Adding a wildcard symbol may retrieve word variants: (("requires high coverage") OR ((("requiresd high coverage") OR ("requiresd high average"))))*.