Perhaps you should try some spelling variations:
"health insurance network synthesis report" » "health insurance networks synthesis report", "health assurance network synthesis report", "health assurance networks synthesis report"
"health evidence network synthesis report" » "health guidance network synthesis report", "health dence network synthesis report", "health incidence networks synthesis report"
"health science network systems report" » "health sciences network systems report", "health science networks systems report", "health science work systems report", "health science network system report", "health science network systems support", "health science network systems recent"
"health finance network synthesis report" » "health financial network synthesis report", "health distance network synthesis report", "health guidance network synthesis report", "health financing 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 science network systems report"))) OR ((("health finance network synthesis report") OR ("health insurance network synthesis report")))).
• Removing quotes may allow a broader search: (((( health evidence network synthesis report ) or ( health science network systems report ))) or ((( health finance network synthesis report ) or ( health insurance network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health evidence network synthesis report") or ("health science network systems report"))) or ((("health finance network synthesis report") or ("health insurance network synthesis report"))))*.