Perhaps you should try some spelling variations:
"health guidance network synthesis report" » "health guide network synthesis report", "health finance network synthesis report", "health guided network synthesis report", "health evidence network synthesis report", "health substance network synthesis report"
"health guidance network systems report" » "health guide network systems report", "health finance network systems report", "health guided network systems report", "health evidence network systems report", "health substance network systems report", "health guidance network systems support", "health guidance network systems recent", "health guidance network systems transport", "health guidance networked systemss report"
"health impedance network system report" » "health importance network system report", "health temperance network system report", "head impedance network system report", "health impedance networked systems report", "health impedance network system reform", "health impedance network system support", "health impedance network system recent"
"health science network synthesis report" » "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"
"health dence network synthesis report" » "health dense network synthesis report", "health defence network synthesis report", "health dense networks synthesis report", "health device network synthesis report", "health evidence network synthesis report", "health devices network synthesis report"

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