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 distance network systems report" » "health distance networks systems report", "health resistance network systems report", "health disease network systems report", "healthy distance network systems report", "earth distance network systems report", "health assistance network systems report", "health distance network systems support", "health distance network systems recent", "health distance network systems transport", "health distance networked systemss report"
"health distance network system report" » "health distance networks system report", "health resistance network system report", "health disease network system report", "healthy distance network system report", "earth distance network system report", "health assistance network system report", "health distance networked systems report", "health distance network system reform", "health distance network system support", "health distance network system 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 impedance network synthesis report") OR ((("health distance network systems report") OR ("health distance network system report")))).
• Removing quotes may allow a broader search: (( health impedance network synthesis report ) or ((( health distance network systems report ) or ( health distance network system report )))).
• Adding a wildcard symbol may retrieve word variants: (("health impedance network synthesis report") or ((("health distance network systems report") or ("health distance network system report"))))*.