Perhaps you should try some spelling variations:
"health evidence network synthesis report" » "health science network synthesis report", "health guidance network synthesis report", "health dence network synthesis report"
"health impedance network synthesis report" » "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health finance network systems report" » "health financial network systems report", "health distance network systems report", "health guidance network systems report", "health financing network systems report", "health insurance network systems report", "health finance network systems support", "health finance network systems recent", "health finance network systems transport", "health finance networked systemss report"
"health guided network system report" » "health guided networked systems report", "health guide network system report", "hath guided network system report", "health guido network system report", "health guided network system reform", "health guided network system support", "health guided network system recent"

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