Perhaps you should try some spelling variations:
"health guidance network synthesis report" » "health impedance network synthesis report", "health guided network synthesis report", "health science network synthesis report", "health substance network synthesis report"
"health guidance network systems report" » "health impedance network systems report", "health guided network systems report", "health science network systems report", "health substance network systems report", "health guidance network system report", "health guidance network systems support", "health guidance network systems recent"
"health finance network synthesis report" » "health financial network synthesis report", "health distance network synthesis report", "health finance work synthesis report", "health financing network synthesis report", "health insurance network synthesis report"
health science » health sciences
"health guide network synthesis report" » "health guided network synthesis report", "health side network synthesis report", "health wide network synthesis report", "health guido network synthesis report", "earth guide network synthesis report", "health grid network synthesis 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) or (health science)) network synthesis report") OR ((((((("health guidance network synthesis report") OR ("health guide network synthesis report"))) OR ("health guidance network systems report"))) OR ("health finance network synthesis report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"((health evidence) or (health science)) network synthesis report\") or (((((((\"health guidance network synthesis report\") OR (\"health guide network synthesis report\"))) or (\"health guidance network systems report\"))) or (\"health finance network synthesis report\"))))".
• Removing quotes may allow a broader search: (( ((health evidence) or (health science)) network synthesis report ) or ((((((( health guidance network synthesis report ) OR ( health guide network synthesis report ))) or ( health guidance network systems report ))) or ( health finance network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (("((health evidence) or (health science)) network synthesis report") or ((((((("health guidance network synthesis report") OR ("health guide network synthesis report"))) or ("health guidance network systems report"))) or ("health finance network synthesis report"))))*.