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