Perhaps you should try some spelling variations:
"health guidance network synthesis report" » "health finance network synthesis report", "health impedance network synthesis report", "health guided network synthesis report", "health substance network synthesis report"
"health evidence network systems report" » "health science network systems report", "health dence network systems report", "health incidence networks systems report", "health evidence network systems support", "health evidence network systems recent", "health evidence network systems transport", "health evidence networked systemss report"
"health evidence network system report" » "health science network system report", "health dence network system report", "health incidence networks system report", "health evidence networked systems report", "health evidence network system reform", "health evidence network system support", "health evidence network system recent"
"health guide network synthesis report" » "health guided network synthesis report", "health side network synthesis report", "health wide network synthesis report", "health guido network synthesis report", "earth guide network synthesis report", "health grid 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 systems report") OR ("health evidence network system report"))) OR ((("health guidance network synthesis report") OR ("health guide network synthesis report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health evidence network systems report\") OR (\"health evidence network system report\"))) or (((\"health guidance network synthesis report\") or (\"health guide network synthesis report\"))))".
• Removing quotes may allow a broader search: (((( health evidence network systems report ) OR ( health evidence network system report ))) or ((( health guidance network synthesis report ) or ( health guide network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health evidence network systems report") OR ("health evidence network system report"))) or ((("health guidance network synthesis report") or ("health guide network synthesis report"))))*.