Perhaps you should try some spelling variations:
incident networks » incidence networks, incidents network, accident network
network synthesis » network systems
substance network » distance network, substrate network, resistance network
networks systems » network systems, networks system, networked systems
guidance network » guide network, finance network, impedance network
health incident » health including
health guidance » health evidence, health finance
systems report » system report, systems support, systems recent
dence network » dense network, defence network, device network

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