Perhaps you should try some spelling variations:
"health importance network systems report" » "health important network systems report", "health impededance network systems report", "health importation network systems report", "health insurance network systems report", "health importance network system report", "health importance network systems support", "health importance network systems recent"
"health impedance network synthesis report" » "health temperance network synthesis report", "head impedance network synthesis report", "health imperative network synthesis report"
health science » health sciences

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