Perhaps you should try some spelling variations:
"health importance network systems recent" » "health important network systems recent", "health impedance network systems recent", "health impededance network systems recent", "health insurance network systems recent"
"health evidence network synthesis report" » "health science network synthesis report", "health dence network synthesis report", "health incidence networks synthesis report"
"health guidance network systems recent" » "health guide network systems recent", "health finance network systems recent", "health impedance network systems recent", "health substance network systems recent"

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 network synthesis report") OR ((("health guidance network systems recent") OR ("health importance network systems recent")))).
• Removing quotes may allow a broader search: (( health evidence network synthesis report ) or ((( health guidance network systems recent ) or ( health importance network systems recent )))).
• Adding a wildcard symbol may retrieve word variants: (("health evidence network synthesis report") or ((("health guidance network systems recent") or ("health importance network systems recent"))))*.