Perhaps you should try some spelling variations:
"health science network synthesis report" » "health science network systems report", "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"
"health dence network synthesis report" » "health dence network systems 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"
"health impedance network synthesis report" » "health impedance network systems report", "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health guidance network system report" » "health guide network system report", "health finance network system report", "health guided network system report", "health evidence network system report", "health substance network system report", "health guidance network systems report", "health guidance networked systems report", "health guidance network system support", "health guidance network system recent"
"health guidance network system reform" » "health guide network system reform", "health finance network system reform", "health guided network system reform", "health evidence network system reform", "health substance network system reform", "health guidance network systems reform", "health guidance 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 science network synthesis report") OR ("health dence network synthesis report"))) OR ((((("health guidance network system report") OR ("health guidance network system reform"))) OR ("health impedance network synthesis 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 system report\") OR (\"health guidance network system reform\"))) or (\"health impedance network synthesis report\"))))".
• Removing quotes may allow a broader search: (((( health science network synthesis report ) or ( health dence network synthesis report ))) or ((((( health guidance network system report ) OR ( health guidance network system reform ))) or ( health impedance network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health science network synthesis report") or ("health dence network synthesis report"))) or ((((("health guidance network system report") OR ("health guidance network system reform"))) or ("health impedance network synthesis report"))))*.