Perhaps you should try some spelling variations:
"health resistance network systems report" » "health reluctance network systems report", "health resistance new systems report", "health resistance between systems report", "heat resistance network systems report", "health assistance network systems report", "earth resistance network systems report", "health resistance networked systemss report", "health resistance network systems support", "health resistance network systems recent", "health resistance network systems transport"
"health substance network system report" » "health distance network system report", "health distance networks system report", "health guidance network system report", "health substance networked systems report", "health substance network system reform", "health substance network system support", "health substance network system recent"
"health substrate network systems report" » "health subscribe networks systems report", "health subscriber network systems report", "earth substrates network systems report", "healing substrates network systems report", "smooth substrate network systems report", "health substrate networked systemss report", "health substrate network systems support", "health substrate network systems recent", "health substrate network systems transport"
"health evidence network synthesis report" » "health science network synthesis report", "health guidance network synthesis report", "health dence network synthesis report"
"health state network systems report" » "health state networked systemss report", "health state network systems support", "health state network systems recent", "health state network systems transport", "health state networks systems report", "health status network systems report"

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 network synthesis report") OR ((((("health substance network system report") OR ((("health substrate network systems report") OR ("health state network systems report"))))) OR ("health resistance network systems report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"health evidence network synthesis report\") or (((((\"health substance network system report\") or (((\"health substrate network systems report\") OR (\"health state network systems report\"))))) or (\"health resistance network systems report\"))))".
• Removing quotes may allow a broader search: (( health evidence network synthesis report ) or ((((( health substance network system report ) or ((( health substrate network systems report ) OR ( health state network systems report ))))) or ( health resistance network systems report )))).
• Adding a wildcard symbol may retrieve word variants: (("health evidence network synthesis report") or ((((("health substance network system report") or ((("health substrate network systems report") OR ("health state network systems report"))))) or ("health resistance network systems report"))))*.