Perhaps you should try some spelling variations:
networked systems » network systems
health evidence » health science
health sequence » health sequelae, heart sequence, health consequence
health guidance » health finance, health substance
network system » network systems

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 ((network system) OR (networked systems)) report ) OR ( health sequence ((network system) OR (networked systems)) report ))) OR ( health guidance ((network system) OR (networked systems)) report )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health evidence ((network system) OR (networked systems)) report ) or ( health sequence ((network system) OR (networked systems)) report ))) or ( health guidance ((network system) OR (networked systems)) report ))".
• Adding a wildcard symbol may retrieve word variants: (((( health evidence ((network system) OR (networked systems)) report ) or ( health sequence ((network system) OR (networked systems)) report ))) or ( health guidance ((network system) OR (networked systems)) report ))*.