Perhaps you should try some spelling variations:
"health resistance network system report" » "health reluctance network system report", "health resistance between system report", "health resistive networks system report", "heat resistance network system report", "health assistance network system report", "earth resistance network system report", "health resistance network systems report", "health resistance networked systems report", "health resistance network system support", "health resistance network system recent"
"health evidence network synthesis report" » "health evidence network systems report", "health science network synthesis report", "health guidance network synthesis report", "health dence network synthesis report"
"health resistance new system report" » "heat resistance new system report", "health assistance new system report", "earth resistance new system report", "health resistance 10 system report", "health resistance 12 system report", "health resistance 11 system report", "health resistance new system support", "health resistance new system recent"
"health substance network system reform" » "health distance network system reform", "health substrate network system reform", "health distance networks system reform", "health substance network systems reform", "health substance networked systems reform"

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