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

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