Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
"health science network synthesis report" » "health science network systems report", "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"
"health guidance network synthesis report" » "health guidance network systems 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" » "health substance network systems report", "health distance network synthesis report", "health substrate network synthesis report", "health resistance network synthesis report"
disease incidence » diseases incident
health incidence » health evidence, path incidence, health insurance
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 science network synthesis report") OR ("((((health incidence) or (((death incidence) or (disease incidence))))) or (health incident)) networks synthesis report"))) OR ((("health guidance network synthesis report") OR ("health substance network synthesis report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health science network synthesis report\") or (\"((((health incidence) or (((death incidence) or (disease incidence))))) or (health incident)) networks synthesis report\"))) or (((\"health guidance network synthesis report\") OR (\"health substance network synthesis report\"))))".
• Removing quotes may allow a broader search: (((( health science network synthesis report ) or ( ((((health incidence) or (((death incidence) or (disease incidence))))) or (health incident)) networks synthesis report ))) or ((( health guidance network synthesis report ) OR ( health substance network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health science network synthesis report") or ("((((health incidence) or (((death incidence) or (disease incidence))))) or (health incident)) networks synthesis report"))) or ((("health guidance network synthesis report") OR ("health substance network synthesis report"))))*.