Perhaps you should try some spelling variations:
"health impedance network system supporting" » "health impedance network systems supporting", "health impedance network system support", "health importance network system supporting", "health temperance network system supporting", "head impedance network system supporting", "health impedance networked systems supporting"
"health impedance network systems support" » "health importance network systems support", "health temperance network systems support", "head impedance network systems support", "health impedance network system support", "health impedance network systems supporting", "health impedance networked systemss support"
"health impedance network systems recent" » "health importance network systems recent", "health temperance network systems recent", "head impedance network systems recent", "health impedance networked systemss recent"
"health dence network synthesis report" » "health dense network synthesis report", "health defence network synthesis report", "health dense networks synthesis report", "health evidence network synthesis report", "health science network synthesis report", "health devices network synthesis report"
health device » health service, health services

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 dence network synthesis report") OR ("((health dence) or (health device)) network synthesis report"))) OR ((((("health impedance network systems support") OR ("health impedance network system supporting"))) OR ("health impedance network systems recent")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health dence network synthesis report\") or (\"((health dence) or (health device)) network synthesis report\"))) or (((((\"health impedance network systems support\") OR (\"health impedance network system supporting\"))) or (\"health impedance network systems recent\"))))".
• Removing quotes may allow a broader search: (((( health dence network synthesis report ) or ( ((health dence) or (health device)) network synthesis report ))) or ((((( health impedance network systems support ) OR ( health impedance network system supporting ))) or ( health impedance network systems recent )))).
• Adding a wildcard symbol may retrieve word variants: (((("health dence network synthesis report") or ("((health dence) or (health device)) network synthesis report"))) or ((((("health impedance network systems support") OR ("health impedance network system supporting"))) or ("health impedance network systems recent"))))*.