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 system recent" » "health guidance network system recent", "health dence network system recent", "health incidence networks system recent", "health evidence networked systems recent", "health evidence network systems recent"
"health science network systems report" » "health sciences network systems report", "health science networks systems report", "health science work systems report", "health science network system report", "health science network systems support", "health science network systems recent", "health science networked systemss report"
"health guide network synthesis report" » "health guided network synthesis report", "health side network synthesis report", "health wide network synthesis report", "health guido network synthesis report", "earth guide network synthesis report", "health grid network synthesis 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 science network systems report") OR ("health evidence network system recent"))) OR ((("health substance network synthesis report") OR ("health guide network synthesis report")))).
• Removing quotes may allow a broader search: (((( health science network systems report ) or ( health evidence network system recent ))) or ((( health substance network synthesis report ) or ( health guide network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health science network systems report") or ("health evidence network system recent"))) or ((("health substance network synthesis report") or ("health guide network synthesis report"))))*.