Perhaps you should try some spelling variations:
"requiresds high coverage" » "requires high coverage" (Expand Search), "requiresds 4g coverage" (Expand Search), "requiresds high overall" (Expand Search), "requiresds age coverage" (Expand Search)
"require high coverage" » "require 4g coverage" (Expand Search), "require high overall" (Expand Search), "require age coverage" (Expand Search), "requires high coverage" (Expand Search), "restore high coverage" (Expand Search)
"required high coverage" » "required 4g coverage" (Expand Search), "required high overall" (Expand Search), "required age coverage" (Expand Search), "requires high coverage" (Expand Search), "require higher coverage" (Expand Search), "remained 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 ((("required high coverage") OR ("requiresds high coverage"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"require high coverage\") OR (((\"required high coverage\") OR (\"requiresds high coverage\"))))".
• Removing quotes may allow a broader search: (( require high coverage ) OR ((( required high coverage ) OR ( requiresds high coverage )))).
• Adding a wildcard symbol may retrieve word variants: (("require high coverage") OR ((("required high coverage") OR ("requiresds high coverage"))))*.