Perhaps you should try some spelling variations:
substance network » distance network, resistance network, distance networks
substrate network » subscribe networks, subscriber network
evidence network » science network, guidance network, dence network
systems report » system report, systems support, systems recent
health science » health sciences
state network » state networks, aware network
science work » science works, science world, science where
work systems » workflow 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 systems report\") or (\"health science work systems report\"))) or (\"health ((substance network) OR (((substrate network) OR (state network)))) systems report\"))*".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"((((\\"health evidence network systems report\\") or (\\"health science work systems report\\"))) or (\\"health ((substance network) or (((substrate network) OR (state network)))) systems report\\"))*\"".
• Removing quotes may allow a broader search: (((( health evidence network systems report ) or ( health science work systems report ))) or ( health ((substance network) or (((substrate network) OR (state network)))) systems report ))*.