Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
"health evidence network synthesis report" » "health science network synthesis report", "health guidance network synthesis report", "health dence network synthesis report"
health incidence » death incidence, health science, path incidence
health incident » health including
"health finance network synthesis report" » "health financial network synthesis report", "health distance network synthesis report", "health guidance network synthesis report", "health financing network synthesis report", "health insurance network synthesis report"
"health finance network systems report" » "health financial network systems report", "health distance network systems report", "health guidance network systems report", "health financing network systems report", "health insurance network systems report", "health finance network system report", "health finance network systems support", "health finance network systems recent"

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 incidence) or (health incident)) networks synthesis report"))) OR ((("health finance network synthesis report") OR ("health finance network systems report"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health evidence network synthesis report\") or (\"((health incidence) or (health incident)) networks synthesis report\"))) or (((\"health finance network synthesis report\") OR (\"health finance network systems report\"))))*".
• Removing quotes may allow a broader search: (((( health evidence network synthesis report ) or ( ((health incidence) or (health incident)) networks synthesis report ))) or ((( health finance network synthesis report ) OR ( health finance network systems report ))))*.