Perhaps you should try some spelling variations:
"health substance network synthesis report" » "health distance network synthesis report", "health substrate network synthesis report", "health resistance network synthesis report"
"health insurance network system report" » "health insurance networks system report", "health assurance network system report", "health assurance networks system report", "health insurance networked systems report", "health insurance network system reform", "health insurance network system support", "health insurance network system recent"
"health guidance network synthesis report" » "health guide network synthesis report", "health impedance network synthesis report", "health guided network synthesis report", "health evidence network synthesis report"
"health finance network systems report" » "health financial network systems report", "health distance network systems report", "health finance work systems report", "health financing network systems report", "health finance network systems support", "health finance network systems recent", "health finance network systems transport", "health finance networked systemss 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 guidance network synthesis report") OR ("health substance network synthesis report"))) OR ((("health finance network systems report") OR ("health insurance network system report")))).
• Removing quotes may allow a broader search: (((( health guidance network synthesis report ) or ( health substance network synthesis report ))) or ((( health finance network systems report ) or ( health insurance network system report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health guidance network synthesis report") or ("health substance network synthesis report"))) or ((("health finance network systems report") or ("health insurance network system report"))))*.