Perhaps you should try some spelling variations:
"health dense networks synthesis report" » "health dense networks systems report", "health dense nets synthesis report", "healthy sense networks synthesis report", "health disease networks synthesis report", "health device networks synthesis report"
health incidence » death incidence, health science, health evidence
"health impedance network synthesis report" » "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health guidance network systems report" » "health guide network systems report", "health finance network systems report", "health guided network systems report", "health evidence network systems report", "health substance network systems report", "health guidance network system report", "health guidance network systems support", "health guidance network systems recent"
health incident » health including
"health dense network synthesis report" » "healthy sense network synthesis report", "health disease network synthesis report", "health device network synthesis report"

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