Perhaps you should try some spelling variations:
"health evidence network synthesis report" » "health evidence network systems report", "health science network synthesis report", "health incidence networks synthesis report", "health resilience network synthesis report", "health evidense network synthesis report", "health evidense networks synthesis report", "health evidevice network synthesis report"
"health dence network synthesis report" » "health dence network systems report", "health dense network synthesis report", "health dense networks synthesis report", "health device network synthesis report", "health science network synthesis report", "health devices network synthesis report"
"Health defence network synthesis report" » "Health defence network systems report", "Health defense network synthesis report", "Health defense networks synthesis report", "Health reference network synthesis report"
"Health defenses network synthesis report" » "Health defenses network systems report", "Health defense network synthesis report", "Health defenses new 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 defenses » heart defenses, health diseases, health depends
health defence » health adherence, health reference, health terrence

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 synthesis report") OR ((("health dence network synthesis report") OR ((("Health defence network synthesis report") OR ("Health defenses network synthesis report"))))))) OR ("health guidance network synthesis report")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health evidence network synthesis report\") or (((\"health dence network synthesis report\") or (((\"Health defence network synthesis report\") OR (\"Health defenses network synthesis report\"))))))) or (\"health guidance network synthesis report\"))".
• Removing quotes may allow a broader search: (((( health evidence network synthesis report ) or ((( health dence network synthesis report ) or ((( Health defence network synthesis report ) OR ( Health defenses network synthesis report ))))))) or ( health guidance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((("health evidence network synthesis report") or ((("health dence network synthesis report") or ((("Health defence network synthesis report") OR ("Health defenses network synthesis report"))))))) or ("health guidance network synthesis report"))*.