Perhaps you should try some spelling variations:
substance network » distance network, substrate network, resistance network
network synthesis » network systems
evidence network » science network, guidance network, dence network
health evidence » health science
systems support » system support, systems supporting, system supporting
network system » network systems, networked systems
systems report » systems recent, systems transport
system report » system reform, system support, system reforms
health dense » healthy sense, health disease, health device

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