Perhaps you should try some spelling variations:
"health substrate network synthesis report" » "health subscribe networks synthesis report", "health subscriber network synthesis report", "health state network synthesis report", "health substrate network systems report", "health substance network synthesis report", "earth substrates network synthesis report", "healing substrates network synthesis report"
"health guidance network synthesis report" » "health guidance network systems report", "health guide network synthesis report", "health finance network synthesis report", "health impedance network synthesis report", "health substance network synthesis report"
"health evidence network synthesis report" » "health evidence network systems report", "health science network synthesis report", "health dence network synthesis report", "health incidence networks 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 guidance network synthesis report") OR ("health evidence network synthesis report"))) OR ("health substrate network synthesis report")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health guidance network synthesis report\") OR (\"health evidence network synthesis report\"))) or (\"health substrate network synthesis report\"))".
• Removing quotes may allow a broader search: (((( health guidance network synthesis report ) OR ( health evidence network synthesis report ))) or ( health substrate network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((("health guidance network synthesis report") OR ("health evidence network synthesis report"))) or ("health substrate network synthesis report"))*.