Perhaps you should try some spelling variations:
"health impedance network systems report" » "health importance network systems report", "health temperance network systems report", "head impedance network systems report", "health impedance network system report", "health impedance network systems support", "health impedance network systems recent"
"health science network synthesis report" » "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"
health device » health service, health services
health dence » health evidence, health devices, health degree

You may be able to get more results by adjusting your search query.

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