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 synthesis report" » "health guide network synthesis report", "health finance network synthesis report", "health impedance network synthesis report", "health substance network synthesis report"
"health guidance network systems report" » "health guide network systems report", "health finance network systems report", "health impedance 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 guidance network system report" » "health guide network system report", "health finance network system report", "health impedance network system report", "health substance network system report", "health guidance networked systems report", "health guidance network system reform", "health guidance network system support", "health guidance network system recent"
"health device network synthesis report" » "health service network synthesis report", "health service networks synthesis report", "health services network synthesis report"
"health grid network synthesis report" » "health grid networks synthesis report", "health hybrid network synthesis report", "health world network synthesis report", "health guide network synthesis report", "health guido network synthesis report", "health gis network synthesis report"

Try widening your search to All Fields.

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