Perhaps you should try some spelling variations:
"measure fitness" » "measure stress", "measure fine", "measure business"
"feature fitness" » "future fitness", "fixtures fitness", "feature files"
"feature lines" » "feature level", "feature list"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("feature lines") OR ((("feature fitness") OR ("measure fitness")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"feature lines\") or (((\"feature fitness\") OR (\"measure fitness\"))))".
• Removing quotes may allow a broader search: (( feature lines ) or ((( feature fitness ) OR ( measure fitness )))).
• Adding a wildcard symbol may retrieve word variants: (("feature lines") or ((("feature fitness") OR ("measure fitness"))))*.