Perhaps you should try some spelling variations:
"health impedance network synthesis report" » "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health science network systems report" » "health sciences network systems report", "health science networks systems report", "health science work systems report", "health science network system report", "health science network systems support", "health science network systems recent"
"health guided network synthesis report" » "health guide network synthesis report", "hath guided network synthesis report", "health guido network synthesis report"

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