Perhaps you should try some spelling variations:
"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 dence network synthesis report" » "health dense network synthesis report", "health defence network synthesis report", "health dense networks synthesis report", "health device network synthesis report", "health evidence network synthesis report", "health science network 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 dence network synthesis report") OR ("health guidance network synthesis report"))) OR ("health substance network systems recent")).
• Removing quotes may allow a broader search: (((( health dence network synthesis report ) or ( health guidance network synthesis report ))) or ( health substance network systems recent )).
• Adding a wildcard symbol may retrieve word variants: (((("health dence network synthesis report") or ("health guidance network synthesis report"))) or ("health substance network systems recent"))*.