Perhaps you should try some spelling variations:
"CADTH rapid responses responding: summary with critical appraisal" » "CADTH rapid responses depending: summary with critical appraisal", "CADTH rapid responses reporting: summary with critical appraisal", "CADTH rapid responses regarding: summary with critical appraisal", "CADTH based responses responding: summary with critical appraisal", "CADTH related responses responding: summary with critical appraisal"
"cadth rapid response reporting: summary with critical appraisal" » "cadth rapid responses reporting: summary with critical appraisal", "cadth rapid responsible reporting: summary with critical appraisal", "cadth rapid response supporting: summary with critical appraisal", "health rapid response reporting: summary with critical appraisal"

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: (("cadth rapid response reporting: summary with critical appraisal") OR ("CADTH rapid responses responding: summary with critical appraisal")).
• Removing quotes may allow a broader search: (( cadth rapid response reporting: summary with critical appraisal ) or ( CADTH rapid responses responding: summary with critical appraisal )).
• Adding a wildcard symbol may retrieve word variants: (("cadth rapid response reporting: summary with critical appraisal") or ("CADTH rapid responses responding: summary with critical appraisal"))*.