Perhaps you should try some spelling variations:
"health impedance network synthesis report" » "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health services network systems report" » "health service network systems report", "health service networks systems report", "health sciences network systems report", "health services network system report", "health services network systems support", "health services network systems recent"
"health finance network synthesis report" » "health financial network synthesis report", "health distance network synthesis report", "health guidance network synthesis report", "health financing network synthesis report", "health insurance network synthesis report"
"health dence network systems report" » "health dence network system report", "health dence network systems support", "health dence network systems recent", "health dense network systems report", "health defence network systems report", "health dense networks systems report", "health evidence network systems report", "health science network systems report", "health devices network systems report"
"health device network systems report" » "health device network system report", "health device network systems support", "health device network systems recent", "health service network systems report", "health service networks systems report", "health dense network systems 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 dence network systems report") OR ((("health device network systems report") OR ("health services network systems report"))))) OR ((("health impedance network synthesis report") OR ("health finance network synthesis report")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health dence network systems report\") or (((\"health device network systems report\") OR (\"health services network systems report\"))))) or (((\"health impedance network synthesis report\") or (\"health finance network synthesis report\"))))".
• Removing quotes may allow a broader search: (((( health dence network systems report ) or ((( health device network systems report ) OR ( health services network systems report ))))) or ((( health impedance network synthesis report ) or ( health finance network synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health dence network systems report") or ((("health device network systems report") OR ("health services network systems report"))))) or ((("health impedance network synthesis report") or ("health finance network synthesis report"))))*.