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 evidence network systems report" » "health science network systems report", "health guidance network systems report", "health dence network systems report", "health evidence network systems support", "health evidence network systems recent", "health evidence network systems transport"
"health evidense networked systems report" » "health evidences networked systems report", "wealth evidence networked systems report", "health evidense networked systems support", "health evidense networked systems recent", "health evidense networked systems transport"
"health devices network system report" » "health device network system report", "health services network system report", "health services networks system report", "health service network system report", "health devices network system reform", "health devices network system support", "health devices network system recent"

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 systems report") OR ("health evidense networked systems report"))) OR ("health devices network system report"))) OR ("health substance network synthesis report")).
• Removing quotes may allow a broader search: (((((( health evidence network systems report ) or ( health evidense networked systems report ))) or ( health devices network system report ))) or ( health substance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((((("health evidence network systems report") or ("health evidense networked systems report"))) or ("health devices network system report"))) or ("health substance network synthesis report"))*.