Perhaps you should try some spelling variations:
"health impedance network synthesis report" » "health impedance network systems report", "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
health incidence » health incident, health science, health evidence
networks systems » network systems, networks system, networked systems
death incidence » growth incidence, dengue incidence
systems report » system report, systems support, systems recent

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: (("((health incidence) or (death incidence)) networks systems report") OR ("health impedance network synthesis report")).
• Removing quotes may allow a broader search: (( ((health incidence) or (death incidence)) networks systems report ) or ( health impedance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (("((health incidence) or (death incidence)) networks systems report") or ("health impedance network synthesis report"))*.