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 report" » "health financial network system report", "health distance network system report", "health finance work system report", "health financing network system report", "health insurance network system report", "health finance network systems report", "health finance networked systems report", "health finance network system reform", "health finance network system support", "health finance 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 guidance network synthesis report") OR ("health impedance network synthesis report"))) OR ("health finance network system report")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health guidance network synthesis report\") OR (\"health impedance network synthesis report\"))) or (\"health finance network system report\"))".
• Removing quotes may allow a broader search: (((( health guidance network synthesis report ) OR ( health impedance network synthesis report ))) or ( health finance network system report )).
• Adding a wildcard symbol may retrieve word variants: (((("health guidance network synthesis report") OR ("health impedance network synthesis report"))) or ("health finance network system report"))*.