Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
health incidence » health science, health evidence, path incidence
dengue incidence » age incidence
"health guidance network synthesis report" » "health guide network synthesis report", "health finance network synthesis report", "health impedance network synthesis report", "health evidence network synthesis report", "health substance network synthesis report"
death incidence » growth incidence
health incident » health including
"health device network synthesis report" » "health service network synthesis report", "health service networks synthesis report", "health services network synthesis report"
"health device network systems report" » "health service network systems report", "health service networks systems report", "health services network systems report", "health device network system report", "health device network systems support", "health device network 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 device network synthesis report") OR ("health device network systems report"))) OR ("((((health incidence) or (((death incidence) or (dengue incidence))))) or (health incident)) networks synthesis report"))) OR ("health guidance network synthesis report")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"health device network synthesis report\") OR (\"health device network systems report\"))) or (\"((((health incidence) or (((death incidence) or (dengue incidence))))) or (health incident)) networks synthesis report\"))) or (\"health guidance network synthesis report\"))".
• Removing quotes may allow a broader search: (((((( health device network synthesis report ) OR ( health device network systems report ))) or ( ((((health incidence) or (((death incidence) or (dengue incidence))))) or (health incident)) networks synthesis report ))) or ( health guidance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((((("health device network synthesis report") OR ("health device network systems report"))) or ("((((health incidence) or (((death incidence) or (dengue incidence))))) or (health incident)) networks synthesis report"))) or ("health guidance network synthesis report"))*.