Perhaps you should try some spelling variations:
"failure investment analysis" » "future investment analysis", "failure assessment analysis", "secure investment analysis"
"failure treatment analysis" » "future treatment analysis"
"failure patent analysis" » "failure content analysis", "failure point analysis", "failure event analysis", "failure patient analysis", "failure patients analysis", "failure agent analysis"

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: (("failure patent analysis") OR ((("failure treatment analysis") OR ("failure investment analysis")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"failure patent analysis\") or (((\"failure treatment analysis\") OR (\"failure investment analysis\"))))".
• Removing quotes may allow a broader search: (( failure patent analysis ) or ((( failure treatment analysis ) OR ( failure investment analysis )))).
• Adding a wildcard symbol may retrieve word variants: (("failure patent analysis") or ((("failure treatment analysis") OR ("failure investment analysis"))))*.