Perhaps you should try some spelling variations:
substance network » distance network, substrate network, resistance network
evidence network » guidance network, dence network, incidence networks
science networks » sciences network, sequence networks, science works
sequence network » sequence networks, sequential network, recurrence network
science network » sciences network, science work, sequence networks
systems report » system report, systems support, systems recent
heart sequence » heart sequences, charts sequence, header sequence

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