Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
"health device network synthesis report" » "health device network systems report", "health service networks synthesis report", "health services network synthesis report"
"health service network synthesis report" » "health service network systems report", "health service networks synthesis report", "health services network synthesis report"
"health guidance network synthesis report" » "health guidance network systems report", "health finance network synthesis report", "health impedance network synthesis report", "health guided network synthesis report", "health evidence network synthesis report", "health substance network synthesis report"
"health guide network synthesis report" » "health guide network systems report", "health guided network synthesis report", "health side network synthesis report", "health wide network synthesis report", "health guido network synthesis report", "earth guide network synthesis report", "health grid network synthesis report"
health incidence » health science, health evidence, path incidence
death incidence » growth incidence, dengue incidence
health incident » health including

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 device network synthesis report") OR ("health service network synthesis report"))) OR ("((((health incidence) or (death incidence))) or (health incident)) networks synthesis report"))) OR ((("health guidance network synthesis report") OR ("health guide network synthesis report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"health device network synthesis report\") OR (\"health service network synthesis report\"))) or (\"((((health incidence) or (death incidence))) or (health incident)) networks synthesis report\"))) or (((\"health guidance network synthesis report\") or (\"health guide network synthesis report\"))))".
• Removing quotes may allow a broader search: (((((( health device network synthesis report ) OR ( health service network synthesis report ))) or ( ((((health incidence) or (death incidence))) or (health incident)) networks synthesis report ))) or ((( health guidance network synthesis report ) or ( health guide network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((((("health device network synthesis report") OR ("health service network synthesis report"))) or ("((((health incidence) or (death incidence))) or (health incident)) networks synthesis report"))) or ((("health guidance network synthesis report") or ("health guide network synthesis report"))))*.