Perhaps you should try some spelling variations:
"health evidence networks synthesis report" » "health evidence networks systems report", "health evidence nets synthesis report", "health evidence network synthesis report", "health incidence networks synthesis report", "health science networks synthesis report"
"health substance network systems report" » "health distance network systems report", "health resistance network systems report", "health distance networks systems report", "health substance network system report", "health substance network systems support", "health substance network systems recent"
"health substrate network systems report" » "health subscribe networks systems report", "health subscriber network systems report", "health state network systems report", "earth substrates network systems report", "healing substrates network systems report", "health substrate network system report", "health substrate network systems support", "health substrate network systems recent"
health science » health sciences
health dence » health device, health devices, health degree

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