Perhaps you should try some spelling variations:
"health evidence network systems transport" » "health evidence network systems transportation", "health science network systems transport", "health guidance network systems transport", "health dence network systems transport"
"health impedance network synthesis report" » "health importance network synthesis report", "health temperance network synthesis report", "head impedance network synthesis report"
"health dense network systems recent" » "health dense networks systems recent", "healthy sense network systems recent", "health disease network systems recent", "health device network systems recent"

You may be able to get more results by adjusting your search query.

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