Perhaps you should try some spelling variations:
"health substance network systems report" » "health distance network systems report", "health substrate network systems report", "health resistance network systems report", "health substance network system report", "health substance network systems support", "health substance network systems transport"
"health substance network systems recent" » "health distance network systems recent", "health substrate network systems recent", "health resistance network systems recent"
"health guidance network synthesis report" » "health guide network synthesis report", "health finance network synthesis report", "health impedance network synthesis report", "health evidence network synthesis report"
"health science network synthesis report" » "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"

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 science network synthesis report") OR ("health guidance network synthesis report"))) OR ((("health substance network systems report") OR ("health substance network systems recent")))).
• Removing quotes may allow a broader search: (((( health science network synthesis report ) or ( health guidance network synthesis report ))) or ((( health substance network systems report ) or ( health substance network systems recent )))).
• Adding a wildcard symbol may retrieve word variants: (((("health science network synthesis report") or ("health guidance network synthesis report"))) or ((("health substance network systems report") or ("health substance network systems recent"))))*.