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