Perhaps you should try some spelling variations:
substance network » distance network, substrate network, resistance network
guidance network » guide network, finance network, guided network
sequence network » sequence networks, science network, sequential network
health sequence » health sequelae, heart sequence, health consequence
network system » network systems, networked systems
system report » system reform, system support, system recent

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