Perhaps you should try some spelling variations:
"health guidance network synthesis report" » "health guidance network systems report", "health guide network synthesis report", "health guided network synthesis report", "health science network synthesis report", "health evidence network synthesis report", "health substance network synthesis report"
"health impedance network synthesis report" » "health impedance network systems report", "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health finance network system recent" » "health financial network system recent", "health distance network system recent", "health finance work system recent", "health financing network system recent", "health insurance network system recent", "health finance network systems recent", "health finance networked systems 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 guidance network synthesis report") OR ("health impedance network synthesis report"))) OR ("health finance network system recent")).
• Removing quotes may allow a broader search: (((( health guidance network synthesis report ) or ( health impedance network synthesis report ))) or ( health finance network system recent )).
• Adding a wildcard symbol may retrieve word variants: (((("health guidance network synthesis report") or ("health impedance network synthesis report"))) or ("health finance network system recent"))*.