Perhaps you should try some spelling variations:
"health evidence network synthesis report" » "health science network synthesis report", "health dence network synthesis report", "health incidence networks synthesis report"
"health guidance network systems report" » "health guide network systems report", "health impedance network systems report", "health guided network systems report", "health substance network systems report", "health guidance network systems support", "health guidance network systems recent", "health guidance network systems transport", "health guidance networked systemss report"
"Health finance network systems report" » "Health financial network systems report", "Health distance network systems report", "Health finance work systems report", "Health finance network systems support", "Health finance network systems recent", "Health finance network systems transport", "Health finance networked systemss report"
"Health finance network system report" » "Health financial network system report", "Health distance network system report", "Health finance work system report", "Health finance networked systems report", "Health finance network system reform", "Health finance network system support", "Health finance network system recent"
health finance » health financing, health insurance

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